Below is a list of the available stations for the SSC. The 3-letter code under ID is what is necessary to
retrieve the data from the form on the left.Years include all years for which at least half of all days are classified.
| Station | ID | Years |
|---|---|---|
| Aalborg, Denmark | AAL | 1973-2019 |
| Aarhus, Denmark | AAR | 1974-2019 |
| Aasiaat, Greenland | JEG | 1943-1945 1973-2019 |
| Abbeville, France | XAB | 1931 1973-2019 |
| Abbotsford, British Columbia, Canada | YXX | 1977-2019 |
| Aberdeen, South Dakota, United States | ABR | 1948-1954 1956 1964-2019 |
| Aberdeen, United Kingdom | ABZ | 1931 1973-2019 |
| Abilene, Texas, United States | ABI | 1946-2019 |
| A Coruna, Spain | LCG | 1974-2019 |
| Adak, Alaska, United States | ADK | 1942-1994 2004-2019 |
| Agen, France | AGF | 1973-2019 |
| Ajaccio, France | AJA | 1944 1973-2019 |
| Akron, Ohio, United States | CAK | 1948-2019 |
| Alamogordo, New Mexico, United States | HMN | 1942-1970 1973-2019 |
| Albacete, Spain | ABC | 1973-2019 |
| Albany, New York, United States | ALB | 1945-2019 |
| Albuquerque, New Mexico, United States | ABQ | 1942-2019 |
| Alert, Nunavut, Canada | YLT | 1950-1963 1973-2018 |
| Alexandria, Egypt | ALY | 1973-1977 1979-2019 |
| Alexandria, Louisiana, United States | AEX | 1943-1945 1952-1972 1974-1992 1999-2019 |
| Alexandroupolis, Greece | AXD | 1964 1966-1971 1973-2019 |
| Algiers, Algeria | ALG | 1943-1945 1957-1962 1964-1967 1973-2019 |
| Alicante, Spain | ALC | 1973-2019 |
| Alice, Texas, United States | ALI | 1946-1954 1973-1983 1991-2019 |
| Allentown, Pennsylvania, United States | ABE | 1948-2019 |
| Almeria, Spain | LEI | 1931 1973-2019 |
| Alpena, Michigan, United States | APN | 1964 1966-2019 |
| Altoona, Pennsylvania, United States | AOO | 1949-1954 1973-2019 |
| Altus, Oklahoma, United States | LTS | 1943-1945 1953-1970 1973-2019 |
| Amarillo, Texas, United States | AMA | 1943-1944 1946-2019 |
| Amman, Jordan | ADJ | 1954 1963-1967 1973-2019 |
| Ammassalik, Greenland | AGM | 1973-2019 |
| Amsterdam, Netherlands | AMS | 1973-2019 |
| Anchorage, Alaska, United States | ANC | 1953-2019 |
| Andenes, Norway | ANX | 1931 1973-2019 |
| Ankara, Turkey | ESB | 1973-2019 |
| Annaba, Algeria | AAE | 1966-1967 1973-2019 |
| Annaba, Algeria | AAE | 1966-1967 1973-2019 |
| Antalya, Turkey | AYT | 1951-1955 1963-1968 1973-2019 |
| Antwerp, Belgium | ANR | 1973-2019 |
| Apalachicola, Florida, United States | AAF | 1945 1948 1973-1992 1998-2019 |
| Arad, Romania | ARW | 1952-1967 1973-2019 |
| Arcata/Eureka, California, United States | ACV | 1950-2019 |
| Arkhangelsk, Russia | ARH | 1964-1971 1973-2019 |
| Aruba, Aruba | AUA | 1943-1944 1976-2019 |
| Asheville, North Carolina, United States | AVL | 1948-1956 1964-2019 |
| Astoria, Oregon, United States | AST | 1953-2019 |
| Athens, Georgia, United States | AHN | 1955-2019 |
| Atlanta, Georgia, United States | ATL | 1945-2019 |
| Atlantic City, New Jersey, United States | ACY | 1947-2019 |
| Augusta, Georgia, United States | AGS | 1948-2019 |
| Austin, Texas, United States | AUS | 1942-2019 |
| Bacau, Romania | BCM | 1952-1967 1973-2019 |
| Bagotville, Quebec, Canada | YBG | 1951-2019 |
| Baker City, Oregon, United States | BKE | 1948-1964 1973-1980 1988-2019 |
| Baker Lake, Nunavut, Canada | YBK | 1946-1947 1955-2019 |
| Bakersfield, California, United States | BFL | 1931-1940 1942-1945 1947-2019 |
| Balemartine, United Kingdom | TRE | 1931 1973-2019 |
| Baltimore, Maryland, United States | BWI | 1945-2019 |
| Bangor, Maine, United States | BGR | 1942-1945 19481949 1951-1995 1998-2019 |
| Barcelona, Spain | BCN | 1973-2019 |
| Bardufoss, Norway | BDU | 1951-1955 1973-2019 |
| Bari, Italy | BRI | 1944-1945 1966-1971 1973-2019 |
| Barrow, Alaska, United States | BRW | 1945-2019 |
| Basel-Mulhouse, France | MLH | 1973-2019 |
| Bastia, France | BIA | 1945 1973-2019 |
| Baton Rouge, Louisiana, United States | BTR | 1942-1945 1948-2019 |
| Beaufort, South Carolina, United States | NBC | 1945 1957-2019 |
| Beaumont, Texas, United States | BPT | 1948-2019 |
| Beckley, West Virginia, United States | BKW | 1963-2019 |
| Belfast, United Kingdom | BFS | 1931 1973-2019 |
| Belgrade, Serbia | BEG | 1973-2019 |
| Bellingham, Washington, United States | BLI | 1948-1964 1973-1996 1998-2019 |
| Bergen, Norway | BGO | 1973-2019 |
| Berlin, Germany | TXL | 1941-1943 1949 1974-2000 2003 2005-2007 2009-2019 |
| Bethel, Alaska, United States | BET | 1945-2019 |
| Bettles, Alaska, United States | BTT | 1950-1964 1973-1991 1993-2019 |
| Bialystok, Poland | QYY | 1959-1963 1973-2019 |
| Biarritz, France | BIQ | 1931 1973-2019 |
| Big Trout Lake, Ontario, Canada | YTL | 1953-1991 1994-2019 |
| Billings, Montana, United States | BIL | 1939-1941 1948-2019 |
| Billund, Denmark | BLL | 1973-2019 |
| Binghamton, New York, United States | BGM | 1948-2019 |
| Birmingham, Alabama, United States | BHM | 1942-1944 1948-2019 |
| Bisbee, Arizona, United States | DUG | 1943-1945 1948-1954 1973-1981 1986-2019 |
| Bismarck, North Dakota, United States | BIS | 1948-2019 |
| Blagoveschensk, Russia | BQS | 1966-2010 |
| Blythe, California, United States | BLH | 1942-1944 1948-1954 1970-1981 1988-2019 |
| Bodo, Norway | BOO | 1951-1955 1973-2019 |
| Boise, Idaho, United States | BOI | 1931 1935 1941-1944 1948-2019 |
| Bologna, Italy | BLQ | 1964-1965 1973 1975-2019 |
| Bordeaux, France | BOD | 1931 1949-1954 1973-2019 |
| Boston, Massachusetts, United States | BOS | 1945-2019 |
| Bournemouth, United Kingdom | BOH | 1973-2019 |
| Bowling Green, Kentucky, United States | BWG | 1948-1954 1973-1994 1996-2019 |
| Bozeman, Montana, United States | BZN | 1948-1954 1973-2013 2015-2019 |
| Bradford, Pennsylvania, United States | BFD | 1957-1994 1997-2019 |
| Braganca, Portugal | BGC | 1973-2019 |
| Brandon, Manitoba, Canada | YBR | 1977-2019 |
| Bratislava, Slovakia | BTS | 1953-1957 1959-1963 1973-2019 |
| Braunschweig, Germany | BWE | 1939-1941 1943 1964-1971 1973-2017 |
| Bremen, Germany | BRE | 1931 1949-1954 1960-1971 1973-2000 2003 2005-2007 |
| Brest, Belarus | BQT | 1931 1960-1971 1973-2019 |
| Brest, France | BES | 1931 1973-2019 |
| Brigetown, Barbados | BGI | 1943-1945 1973-2019 |
| Brindisi, Italy | BDS | 1943-1945 1951-1958 1964-1971 1973-2019 |
| Brno, Czech Republic | BRQ | 1958-1963 1973-2019 |
| Brownsville, Texas, United States | BRO | 1947-2019 |
| Brussels, Belgium | BRU | 1931 1964-2019 |
| Bucharest, Romania | BBU | 1931 1952-1967 1973-2019 |
| Budapest, Hungary | BUD | 1974-2018 |
| Buffalo, New York, United States | BUF | 1942-1943 1946-2019 |
| Burbank, California, United States | BUR | 1943-1945 1948-1966 1973-2019 |
| Burgas, Bulgaria | BOJ | 1954-1960 1964-1967 1973-1995 1997-2019 |
| Burlington, Iowa, United States | BRL | 1948-1964 1986-2019 |
| Burlington, Vermont, United States | BTV | 1948-2019 |
| Butte, Montana, United States | BTM | 1948-1960 1976-2019 |
| Caen, France | CFR | 1973-2019 |
| Cagliari, Italy | CAG | 1943-1944 1951-1958 1964-1971 1973-2013 2016-2019 |
| Cairo, Egypt | CAI | 1943-1946 1957-1966 1973-2019 |
| Calgary, Alberta, Canada | YYC | 1953-2019 |
| Cambridge Bay, Nunavut, Canada | YCB | 1950-1959 1973-2004 2006-2019 |
| Canakkale, Turkey | CKZ | 1963-1968 1973-2019 |
| Canterbury, United Kingdom | MSE | 1950-1958 1973-2019 |
| Cape Hatteras, North Carolina, United States | HSE | 1957-2019 |
| Caransebes, Romania | CSB | 1965-1967 1973-2019 |
| Caribou, Maine, United States | CAR | 1948-1963 1980-1982 1996-2019 |
| Cartwright, Newfoundland, Canada | YRF | 1955-1996 1998-2019 |
| Casablanca, Morocco | CMN | 1951-1963 1973-2019 |
| Casper, Wyoming, United States | CPR | 1940-1945 1950-2019 |
| Castro, Brazil | QAC | 2007-2015 |
| Catania, Italy | CTA | 1943-1944 1951-1956 1964-1971 1973-2019 |
| Cedar City, Utah, United States | CDC | 1948-2019 |
| Cedar Rapids, Iowa, United States | CID | 1973-2019 |
| Chania, Greece | CHQ | 1966-1971 1973-2019 |
| Charleston, South Carolina, United States | CHS | 1945-2019 |
| Charleston, West Virginia, United States | CRW | 1949-2019 |
| Charlotte, North Carolina, United States | CLT | 1941-1944 1948-2019 |
| Charlottesville, Virginia, United States | CHO | 1961-1964 1973-1977 1998-2019 |
| Charlottetown, Prince Edward Island, Canada | YYG | 1953-2019 |
| Chattanooga, Tennessee, United States | CHA | 1948-2019 |
| Cheju, South Korea | CJU | 1965-2018 |
| Cheonan, South Korea | XCE | 1986-2019 |
| Chernyaevo, Russia | CNV | 1966-2010 20182019 |
| Cherry Point, North Carolina, United States | NKT | 1945-2019 |
| Cheyenne, Wyoming, United States | CYS | 1948-2019 |
| Chicago (Midway), Illinois, United States | MDW | 1948-1980 1997-2019 |
| Chicago (O'Hare), Illinois, United States | ORD | 1946-2019 |
| Chicopee, Massachusetts, United States | CEF | 1941-1976 1988-1996 2001 2003 2008-2019 |
| Childress, Texas, United States | CDS | 1943-1945 1947-1954 1973-1981 1988-2019 |
| Chinhae, South Korea | CHF | 1985-2017 |
| Chongju, South Korea | CJJ | 1969-2018 |
| Chunchon, South Korea | QUN | 1966-2019 |
| Churchill, Manitoba, Canada | YYQ | 1943-1945 19471948 1950-2019 |
| Clermont-Ferrand, France | CFE | 1931 1973-2019 |
| Cleveland, Ohio, United States | CLE | 1948-2019 |
| Clovis, New Mexico, United States | CVS | 1943-1946 1952-1972 1974-2004 2007-2019 |
| Cluj-Napoca, Romania | CLJ | 1952-1967 1973-2019 |
| Clyde River, Nunavut, Canada | YCY | 1955 1957-2019 |
| Cocoa, Florida, United States | COF | 1945-1947 1950-1974 1985-1990 2001 2006-2019 |
| Cognac, France | CNG | 1973-2019 |
| Cold Bay, Alaska, United States | ACD | 1942-1953 1955-1964 1968-2019 |
| Cold Lake, Alberta, Canada | YOD | 1957-1966 1973-2019 |
| College Station, Texas, United States | CLL | 1951-1954 1973-1986 1988-2019 |
| Colorado Springs, Colorado, United States | COS | 1942-2019 |
| Columbia, Missouri, United States | COU | 1930 1932-2019 |
| Columbia, South Carolina, United States | CAE | 1942-1945 1948-2019 |
| Columbus, Georgia, United States | CSG | 1948-1952 1965-2019 |
| Columbus, Mississippi, United States | CBM | 1942-1946 1958-1970 1973-2000 2003-2005 2007-2019 |
| Columbus, Ohio, United States | CMH | 1945 1948-2019 |
| Comox, British Columbia, Canada | YQQ | 1954-1963 1977-2019 |
| Concordia, Kansas, United States | CNK | 1948 1962-2019 |
| Concord, New Hampshire, United States | CON | 1948-2019 |
| Constantine, Algeria | CZL | 1943-1944 1965-1967 1973-2019 |
| Copenhagen, Denmark | CPH | 1931 1949-1971 1973-2019 |
| Coral Harbour, Nunavut, Canada | YZS | 1943-1947 1953-2019 |
| Cordova, Alaska, United States | CDV | 1942-1970 1973-2019 |
| Corfu, Greece | CFU | 1957-1958 1964-1971 1973-2019 |
| Cork, Ireland | ORK | 1973-2019 |
| Corpus Christi, Texas, United States | CRP | 1946-2019 |
| Covington, Kentucky, United States | CVG | 1948-2019 |
| Craiova, Romania | CRA | 1965-1967 1973-1995 1997-2019 |
| Cranbrook, British Columbia, Canada | YXC | 1977-2019 |
| Curacao, Netherlands Antilles | CUR | 1942-1945 1960-1964 1973-2019 |
| Cut Bank, Montana, United States | CTB | 1943-1944 1948-1981 19831984 1991 1996 1998-2019 |
| Daejeon, South Korea | XDA | 1969-2019 |
| Daggett, California, United States | DAG | 1948-1981 1988-2019 |
| Dalhart, Texas, United States | DHT | 1942-1945 1949-1954 1973-1981 1988-2019 |
| Dallas-Fort Worth, Texas, United States | DFW | 1953-2019 |
| Damascus, Syria | DAM | 1973-2019 |
| Dawson, Yukon Territory, Canada | YDA | 1960-1992 1996-2019 |
| Daytona Beach, Florida, United States | DAB | 1948-2019 |
| Dayton, Ohio, United States | DAY | 1948-2019 |
| Dease Lake, British Columbia, Canada | YDL | 1944-1945 1957-1959 1973-1996 1998-2019 |
| Debrecen, Hungary | DEB | 1931 1952-1956 19601961 1973-2019 |
| Deer Lake, Newfoundland, Canada | YDF | 1965-2019 |
| Del Rio, Texas, United States | DRT | 1946-1954 1963-2019 |
| Denver, Colorado, United States | DEN | 1940-2019 |
| Des Moines, Iowa, United States | DSM | 1945-2019 |
| Detroit, Michigan, United States | DTW | 1930-1933 1939-1946 1959-2019 |
| Dickinson, North Dakota, United States | DIK | 1973-1983 1986-2019 |
| Dickinson, North Dakota, United States | ISN | 1949-1964 1967-2019 |
| Dijon, France | DIJ | 1931 1973-2019 |
| Dillon, Montana, United States | DLN | 1948-1978 1980-1983 1985 1997-2019 |
| Diyarbakir, Turkey | DIY | 1950-1951 1963-1968 1973-2019 |
| Djerba, Tunisia | DJE | 1966-1967 1973-2019 |
| Dodge City, Kansas, United States | DDC | 1943-1945 1948-2019 |
| Dothan, Alabama, United States | DHN | 1942-1945 1949-1954 1973-1993 2001-2019 |
| Dublin, Ireland | DUB | 1973-2019 |
| DuBois, Pennsylvania, United States | DUJ | 1973-1993 2000-2019 |
| Duluth, Minnesota, United States | DLH | 1948-2019 |
| Dusseldorf, Germany | DUS | 1949-1954 1973-2000 2003 2005-2007 2009-2019 |
| Eau Claire, Wisconsin, United States | EAU | 1949-2019 |
| Edinburgh, United Kingdom | EDI | 1973-2000 2002-2018 |
| Edmonton (City), Alberta, Canada | YXD | 1950-2019 |
| Edmonton (International), Alberta, Canada | YEG | 1961-2019 |
| Edson, Alberta, Canada | YET | 1977-2019 |
| Elazig, Turkey | EZS | 1973-2019 |
| Elkins, West Virginia, United States | EKN | 1948-1954 1962-1968 1977-1983 1989 1996-2019 |
| Elko, Nevada, United States | EKO | 1948-2019 |
| Elmira, New York, United States | ELM | 1949-1954 1973-2019 |
| El Paso, Texas, United States | ELP | 1941-2019 |
| El Toro, California, United States | NZJ | 1945-1998 |
| Ely, Nevada, United States | ELY | 1953-2019 |
| Enid, Oklahoma, United States | END | 1942-1946 1949-1960 1963 1974-2001 2007-2019 |
| Enschede, Netherlands | ENS | 1973-2019 |
| Erie, Pennsylvania, United States | ERI | 1948-2019 |
| Eugene, Oregon, United States | EUG | 1948-1954 1964-2019 |
| Eureka, Nunavut, Canada | YEU | 1947-1967 1977-2019 |
| Evansville, Indiana, United States | EVV | 1948-2019 |
| Evreux, France | EVX | 1954-1967 1973-2019 |
| Fairbanks, Alaska, United States | FAI | 1923-1929 1941-2019 |
| Fairfield, California, United States | SUU | 1943-1970 1973-2019 |
| Fargo, North Dakota, United States | FAR | 1948-2019 |
| Farmington, New Mexico, United States | FMN | 1953-1978 1998-2019 |
| Farnborough, United Kingdom | FAB | 1973-2019 |
| Faro, Portugal | FAO | 1973-2019 |
| Fayetteville, Arkansas, United States | FYV | 1949-1954 1967 1973-2019 |
| Feldkirchen, Austria | GRZ | 1952-1969 1973-2019 |
| Flagstaff, Arizona, United States | FLG | 1948-1951 1961-2019 |
| Flint, Michigan, United States | FNT | 1949-2019 |
| Florence, South Carolina, United States | FLO | 1948-1951 1959-1965 1973-1996 1999-2019 |
| Fort Campbell, Kentucky, United States | HOP | 1943-1945 1950-1970 1973-2019 |
| Fort Drum, New York, United States | GTB | 1942 19441945 19521953 1988-2019 |
| Fort Knox, Kentucky, United States | FTK | 1945-1971 1974-1978 1982-2001 2003-2019 |
| Fort Myers, Florida, United States | FMY | 1943-1945 1948-1954 1965-1995 1998-2019 |
| Fort Smith, Arkansas, United States | FSM | 1947-2019 |
| Fort Wayne, Indiana, United States | FWA | 1942-1945 1948-2019 |
| Frankfurt, Germany | FRA | 1931 1934-1943 1946-1971 1973-2000 2003 2013-2018 |
| Fredericton, New Brunswick, Canada | YFC | 1953-2019 |
| Fresno, California, United States | FAT | 1942-1945 1949-2019 |
| Ft De France, Martinique | FDF | 1959 19621963 1973-2019 |
| Ft Mc Murray, Alberta, Canada | YMM | 1943-1944 1953-2019 |
| Ft Nelson, British Columbia, Canada | YYE | 1942-1944 1953-2019 |
| Ft Simpson, Northwest Territories, Canada | YFS | 1943-1944 19461947 1955-2019 |
| Ft Smith, Northwest Territories, Canada | YSM | 1942-1947 1953-2019 |
| Ft St John, British Columbia, Canada | YXJ | 1942-1944 1977-2019 |
| Gafsa, Tunisia | GAF | 1965-1967 1973-2019 |
| Gage, Oklahoma, United States | GAG | 1944 1946-1964 1973-1981 1987-2019 |
| Gainesville, Florida, United States | GNV | 1943-1944 1973-2019 |
| Galena, Alaska, United States | GAL | 1944-1945 1953-1971 1973-2006 2009-2019 |
| Galveston, Texas, United States | GLS | 1943-1944 1946-1963 1973-1990 1992-1994 1997-2019 |
| Gamvik, Norway | GVK | 2011-2019 |
| Gander, Newfoundland, Canada | YQX | 1941-1947 1949 1953-2019 |
| Garden City, Kansas, United States | GCK | 1944 1948-1954 1973-2019 |
| Gaspe, Quebec, Canada | YGP | 1977-2019 |
| Geneva, Switzerland | GVA | 1955-1969 1973-2019 |
| Genoa, Italy | GOA | 1931 1955-1958 1964-1971 1973-2019 |
| Gibraltar, Gibraltar | GIB | 1921-2019 |
| Gillam, Manitoba, Canada | YGX | 1943-1945 1957-1959 1977-2019 |
| Glasgow, Montana, United States | GGW | 1943 1955-2019 |
| Glasgow, United Kingdom | GLA | 1931 1973-2018 |
| Glens Falls, New York, United States | GFL | 1948-2019 |
| Goldsboro, North Carolina, United States | GSB | 1943-1946 1957-1970 1973-2019 |
| Gomel, Belarus | GME | 1955-1958 1960 1969-1971 1973-2019 |
| Goodland, Kansas, United States | GLD | 1948-2019 |
| Goose Bay, Newfoundland, Canada | YYR | 1942 1945-2004 2006-2019 |
| Gore Bay, Ontario, Canada | YZE | 1953-2019 |
| Granada, Spain | GRX | 1973-2019 |
| Grande Prairie, Alberta, Canada | YQU | 1957-1959 1977-2019 |
| Grand Forks, North Dakota, United States | GFK | 1949-1958 1973-2019 |
| Grand Island, Nebraska, United States | GRI | 1929 1933-1943 1946-2019 |
| Grand Junction, Colorado, United States | GJT | 1948-2019 |
| Grand Rapids, Michigan, United States | GRR | 1964-2019 |
| Great Falls, Montana, United States | GTF | 1948-2019 |
| Green Bay, Wisconsin, United States | GRB | 1949-2019 |
| Greensboro, North Carolina, United States | GSO | 1945-2019 |
| Greenwood, Mississippi, United States | GWO | 1943-1945 1949-1954 1973-2019 |
| Greer, South Carolina, United States | GSP | 1962-2019 |
| Groningen-Eelde, Netherlands | GRQ | 1931 1973-1990 1993-2019 |
| Grosseto, Italy | GRS | 1964-1971 1973-1982 1984-2019 |
| Guantanamo, Cuba | UGM | 1945-2019 |
| Guernsey, Guernsey | GCI | 1931 1973-2019 |
| Gyor-Per, Hungary | QGY | 1973-2019 |
| Halifax, Nova Scotia, Canada | YHZ | 1949 1952-2019 |
| Hall Beach, Nunavut, Canada | YUX | 1956-2019 |
| Hamilton, Bermuda | BDA | 1942-1967 1970-2019 |
| Hampton, Virginia, United States | LFI | 1936-2019 |
| Hancock, Michigan, United States | CMX | 1948-1964 1973-1983 1985-2019 |
| Harrisburg, Pennsylvania, United States | MDT | 1937-2019 |
| Havre, Montana, United States | HVR | 1966-1978 1980-1987 1994-2019 |
| Hay River, Northwest Territories, Canada | YHY | 1944-1947 1953-2019 |
| Helena, Montana, United States | HLN | 1948-2019 |
| Helsinki, Finland | HEL | 1952-1963 1973-2019 |
| Heraklion, Greece | HER | 1964-1971 1973-2019 |
| High Level, Alberta, Canada | YOJ | 1977-2019 |
| Hilo, Hawaii, United States | ITO | 1943-1945 1949-2019 |
| Hoersching, Austria | LNZ | 1945-1948 1955-1969 1973-2019 |
| Homer, Alaska, United States | HOM | 1948-2019 |
| Homestead, Florida, United States | HST | 1943-1945 1956-1970 1973-1992 1996-2019 |
| Honolulu, Hawaii, United States | HNL | 1940-2019 |
| Houghton Lake, Michigan, United States | HTL | 1964-1980 1996-2019 |
| Houston (Bush), Texas, United States | IAH | 1969-2019 |
| Houston (Hobby), Texas, United States | HOU | 1948-1969 1985-2019 |
| Huntington, West Virginia, United States | HTS | 1962-2019 |
| Huntsville, Alabama, United States | HSV | 1958-2019 |
| Huron, South Dakota, United States | HON | 1940-2019 |
| Ibiza, Spain | IBZ | 1973-2019 |
| Idaho Falls, Idaho, United States | IDA | 1948-1964 1973-1994 1998-2019 |
| Imperial, California, United States | IPL | 1973-1981 1988-2019 |
| Incheon, South Korea | ICN | 1965-2018 |
| Indianapolis, Indiana, United States | IND | 1942-1945 1948-2019 |
| Innsbruck, Austria | INN | 1931 1952-1969 1973-2019 |
| International Falls, Minnesota, United States | INL | 1948-2019 |
| Inukjuak, Quebec, Canada | YPH | 1939-2019 |
| Inuvik, Northwest Territories, Canada | YEV | 1960-2019 |
| Iqaluit, Nunavut, Canada | YFB | 1942-1950 1953-2019 |
| Isle of Man, ManIsle Of | IOM | 1973-2019 |
| Islip, New York, United States | ISP | 1973-2019 |
| Istanbul, Turkey | IST | 1950-1954 1963-1968 1973-2019 |
| Ittoqqortoormiit, Greenland | OBY | 1942-1948 1993-2016 2019 |
| Ivalo, Finland | IVL | 1957-1963 1973-2019 |
| Jackson, Mississippi, United States | JAN | 1942-2019 |
| Jacksonville, Florida, United States | JAX | 1948-2019 |
| Jacksonville (NAS), Florida, United States | NIP | 1945-2019 |
| Jamestown, New York, United States | JHW | 1993-2019 |
| Jeonju, South Korea | CHN | 1965-2019 |
| Jersey, Jersey | JER | 1973-2019 |
| Joensuu, Finland | JOE | 1955-1963 1973-2019 |
| Jonkoping, Sweden | JKG | 1931 1973-2019 |
| Joplin, Missouri, United States | JLN | 1948-1954 1973-2019 |
| Junction, Texas, United States | JCT | 1948-1968 1975-1987 1998-2019 |
| Juneau, Alaska, United States | JNU | 1948-1984 1998-2019 |
| Jyvaskylan, Finland | JYV | 1952-1963 1973-2019 |
| Kahului, Hawaii, United States | OGG | 1945-1946 1959-1964 1966-1996 1998-2019 |
| Kajaani, Finland | KAJ | 1952-1963 1973-2019 |
| Kalealoa, Hawaii, United States | HNA | 1949-2019 |
| Kaliningrad, Russia | KGD | 1931-1937 1939-1941 1955-1971 1973-2019 |
| Kalispell, Montana, United States | GPI | 1948-1953 1964-2019 |
| Kamloops, British Columbia, Canada | YKA | 1966-2019 |
| Kaneohe Bay, Hawaii, United States | HNG | 1945-1949 1952-1964 1967-2019 |
| Kangerlussuaq, Greenland | SFJ | 1942-1970 1973-2019 |
| Kangnung, South Korea | KAG | 1965-2018 |
| Kansas City, Missouri, United States | MCI | 1972-2019 |
| Kapuskasing, Ontario, Canada | YYU | 1950-2019 |
| Karlstad, Sweden | KSD | 1977-2019 |
| Karup, Denmark | KRP | 1973-1990 1993-2019 |
| Kauhava, Finland | KAU | 1973-2019 |
| Kazan, Russia | KZN | 1964-1971 1973-2019 |
| Keflavik, Iceland | KEF | 1943-1947 1949-2019 |
| Kenai, Alaska, United States | ENA | 1948-1970 1973-1988 1999-2019 |
| Key West, Florida, United States | EYW | 1945-1953 1960-2019 |
| Khabarovsk, Russia | KHV | 1950 1952-2019 |
| Kharkiv, Ukraine | HRK | 1953-1971 1973-2019 |
| Kiev, Ukraine | IEV | 1950-1968 1973-2019 |
| Killeen, Texas, United States | GRK | 1950-1960 1970 1973-2019 |
| King Salmon, Alaska, United States | AKN | 1942-2019 |
| Kingston, Jamaica | KIN | 1942-1949 1973-2019 |
| Kingsville, Texas, United States | NQI | 1945-1946 1951-1998 2001-2019 |
| Kirkwall, United Kingdom | KOI | 1973-2019 |
| Klagenfurt, Austria | KLU | 1931 1952-1969 1973-2019 |
| Klamath Falls, Oregon, United States | LMT | 1959-1970 1973-1979 1986-2019 |
| Knoxville, Tennessee, United States | TYS | 1948-2019 |
| Kodiak, Alaska, United States | ADQ | 1945-2019 |
| Kokomo, Indiana, United States | GUS | 1945 1956-1970 1973-1994 2001 2008-2019 |
| Kosice, Slovakia | KSC | 1959-1963 1973-2018 |
| Kotlas, Russia | KSZ | 1950-1971 1973-2019 |
| Kotzebue, Alaska, United States | OTZ | 1945-2019 |
| Krakow, Poland | KRK | 1931 1973-2019 |
| Kugluktuk, Nunavut, Canada | YCO | 1945-1947 1957-1959 1977-2019 |
| Kuopio, Finland | KUO | 1952-1954 19561957 1959-1963 1973-2019 |
| Kuujjuaq, Quebec, Canada | YVP | 1941-1950 1954-2019 |
| Kuujjuarapik, Quebec, Canada | YGW | 1957-2019 |
| Kuusamo, Finland | KAO | 1959-1963 1973-2019 |
| Kwangju, South Korea | KWJ | 1965-2018 |
| La Crosse, Wisconsin, United States | LSE | 1948-1954 1956-2019 |
| Lafayette, Louisiana, United States | LFT | 1945-1958 1973-2019 |
| La Grande Riviere, Quebec, Canada | YGL | 1976-2019 |
| Lake Charles, Louisiana, United States | LCH | 1942-1944 1947-2019 |
| Lancaster, California, United States | EDW | 1942-1973 1983-1985 1988 1990-2002 2005-2019 |
| Lander, Wyoming, United States | LND | 1948-2019 |
| Lansing, Michigan, United States | LAN | 1948-1954 1959-2019 |
| Lappeenranta, Finland | LPP | 1973-1995 1999-2019 |
| Laredo, Texas, United States | LRD | 1943-1971 2005-2019 |
| Larnaca, Cyprus | LCA | 1977-2019 |
| La Ronge, Saskatchewan, Canada | YVC | 1945-1947 1966-2004 2006-2019 |
| Las Palmas, Spain | LPA | 1957-1962 1964-1967 1973-2019 |
| Las Vegas, Nevada, United States | LAS | 1949-2019 |
| Las Vegas, New Mexico, United States | LVS | 1946-1964 1973-1984 2000-2019 |
| Lawton, Oklahoma , United States | FSI | 1939-1942 1944-1970 1973-1999 2007-2019 |
| Lebanon, New Hampshire, United States | LEB | 1949-1964 1976-1989 1998-2019 |
| Lemoore, California, United States | NLC | 1961-1998 2006-2019 |
| Lethbridge, Alberta, Canada | YQL | 1953-2019 |
| Lewiston, Idaho, United States | LWS | 1948-1954 1973-2019 |
| Lewiston, Montana, United States | LWT | 1942-1944 1948-1986 19911992 1998-2019 |
| Lexington, Kentucky, United States | LEX | 1948-2019 |
| Liege, Belgium | LGG | 1973-2019 |
| Liepaja, Latvia | LPX | 1955-1957 1964-1971 1973-2019 |
| Lihue, Hawaii, United States | LIH | 1950-2019 |
| Lille, France | LIL | 1973-2019 |
| Limoges, France | LIG | 1973-2019 |
| Lincoln, Nebraska, United States | LNK | 1942-1945 1948-1952 1954-1964 1972-2019 |
| Lisbon, Portugal | LIS | 1931 1973-2018 |
| Little Rock, Arkansas, United States | LIT | 1948-2019 |
| Locarno, Switzerland | ZJI | 1955-1969 1973-2019 |
| London, Ontario, Canada | YXU | 1953-2019 |
| London, United Kingdom | LHR | 1949-1958 1973-2019 |
| Long Beach, California, United States | LGB | 1943-1957 1959-1986 1996-2019 |
| Longyearbyen, Svalbard | LYR | 1975-2019 |
| Lorient, France | LRT | 1973-2019 |
| Los Angeles, California, United States | lax | 1944 1947-2018 |
| Los Angeles, California, United States | LAX | 1944 1947-2019 |
| Louisville, Kentucky, United States | SDF | 1930-2019 |
| Lovelock, Nevada, United States | LOL | 1948-1981 1988-2019 |
| Lubbock, Texas, United States | LBB | 1947-2019 |
| Lufkin, Texas, United States | LFK | 1948-1985 1990-2019 |
| Lugano, Switzerland | LUG | 1978-2019 |
| Lulea, Sweden | LLA | 1973-2019 |
| Luxembourg, Luxembourg | LUX | 1949-1956 19641965 1973-2019 |
| Luxor, Egypt | LXR | 1944-1945 1957-1966 19731974 1977-2019 |
| Lviv, Ukraine | LWO | 1931 1950-1958 1964-1968 1973-2019 |
| Lynn Lake, Manitoba, Canada | YYL | 1969-2019 |
| Lyon, France | LYS | 1931 1975-2019 |
| Maastricht, Netherlands | MST | 1973-2019 |
| Macon, Georgia, United States | MCN | 1941-1945 1949-2019 |
| Madison, Wisconsin, United States | MSN | 1948-2019 |
| Madrid, Spain | MAD | 1931 1973-2019 |
| Malaga, Spain | AGP | 1973-2019 |
| Malmo, Sweden | MMX | 1973-2019 |
| Malta, Malta | MLA | 1931 1956-1971 1973-2019 |
| Manchester, United Kingdom | MAN | 1973-2018 |
| Maniwaki, Quebec, Canada | WMJ | 1955-1970 1972-1992 1994-1996 1999-2010 2013-2019 |
| Mannheim, Germany | MHG | 1947-1956 1975-2000 2003 2007 |
| Marrakech, Morocco | RAK | 1943-1945 1957-1962 1964-1967 1973-2019 |
| Marseille, France | MRS | 1931 19441945 1973-2019 |
| Martinsburg, West Virginia, United States | MRB | 1949-1964 1973-2019 |
| Marysville, California, United States | BAB | 1959-1970 1973-2002 2007-2019 |
| Mason City, Iowa, United States | MCW | 1948-2019 |
| Massena, New York, United States | MSS | 1949-2019 |
| Mayo, Yukon Territory, Canada | YMA | 1942-1947 1953-1960 1962-2019 |
| McAlester, Oklahoma, United States | MLC | 1953-1954 1973-2019 |
| McAllen,, Texas, United States | MFE | 1973-1994 1996-2019 |
| McGrath, Alaska, United States | MCG | 1948-2019 |
| Medford, Oregon, United States | MFR | 1948-2019 |
| Memphis, Tennessee, United States | MEM | 1948-2019 |
| Menorca, Spain | MAH | 1931 1973-2019 |
| Meridian, Mississippi, United States | MEI | 1942-1944 1948-1952 1959-2019 |
| Miami, Florida, United States | MIA | 1948-2019 |
| Midland, Texas, United States | MAF | 1948-2019 |
| Milan, Italy | LIN | 1931 1951-1958 1964-1971 1973-2019 |
| Miles City, Montana, United States | MLS | 1948-2019 |
| Millinocket, Maine, United States | MLT | 1943-1945 1949-1964 1995-2019 |
| Milton, Florida, United States | NSE | 1945-1947 1949-1998 2007-2019 |
| Milwaukee, Wisconsin, United States | MKE | 1948-2019 |
| Mineralnye Vody, Russia | MRV | 1959-1960 1969-1971 1973-1991 19931994 1996-2019 |
| Minneapolis, Minnesota, United States | MSP | 1945-2019 |
| Minot, North Dakota, United States | MOT | 1949-2019 |
| Minsk, Belarus | MHP | 1939-1941 1964-1971 1973-2019 |
| Miramar, California, United States | NKX | 1949-2019 |
| Miskolc, Hungary | MCQ | 1952-1956 19601961 1973-2019 |
| Missoula, Montana, United States | MSO | 1948-2019 |
| Mobile, Alabama, United States | MOB | 1948-2019 |
| Moline, Illinois, United States | MLI | 1948-2019 |
| Moncton, New Brunswick, Canada | YQM | 1942-1947 1949 1977-2019 |
| Monroe, Louisiana, United States | MLU | 1942-1958 1973-2019 |
| Montgomery, Alabama, United States | MGM | 1948-2019 |
| Mont-Joli, Quebec, Canada | YYY | 1957-1959 1977-2019 |
| Montpellier, France | MPL | 1973-2019 |
| Montreal, Quebec, Canada | YUL | 1950-2019 |
| Moose Jaw, Saskatchewan, Canada | YMJ | 1957-1966 1977-1998 2001-2019 |
| Morgantown, West Virginia, United States | MGW | 1949-1954 1973-1996 1999-2019 |
| Moss, Norway | RYG | 1973-2019 |
| Mould Bay, Northwest Territories, Canada | YMD | 1953-1992 2004-2019 |
| Mountain Home, Idaho, United States | MUO | 1943-1945 1949 1951-2018 |
| Mountain View, California, United States | NUQ | 1945-1994 1996-1999 2004-2019 |
| Mount Clemens, Michigan, United States | MTC | 1937-1971 1973-2019 |
| Murmansk, Russia | MMK | 1950-1957 1964-1971 1973-2019 |
| Muskegon, Michigan, United States | MKG | 1948-1953 1960-2019 |
| Myrtle Beach, South Carolina, United States | MYR | 1943-1947 1949-1970 1974-1992 2017-2019 |
| Nancy, France | ENC | 1931 1944 1973-2019 |
| Nantes, France | NTE | 1973-2019 |
| Nantucket, Massachusetts, United States | ACK | 1948-1976 1997-1999 2004-2019 |
| Naples, Italy | NAP | 1951-1956 1966-1971 1973-2019 |
| Narssarssuaq, Greenland | UAK | 1941-1958 1973-2019 |
| Nashville, Tennessee, United States | BNA | 1937-2019 |
| Nassau, Bahamas The | NAS | 1973-2019 |
| Natashquan, Quebec, Canada | YNA | 1969-2019 |
| Newark, New Jersey, United States | EWR | 1948-2019 |
| New Bern, North Carolina, United States | EWN | 1949-1954 1973-1994 1997-2019 |
| New Orleans, Louisiana, United States | MSY | 1945-2019 |
| New River, North Carolina, United States | NCA | 1959 1963-2019 |
| New York (Kennedy), New York, United States | JFK | 1948-2019 |
| New York (LaGuardia), New York, United States | LGA | 1948-2019 |
| Niagara Falls, New York, United States | IAG | 1951-1964 1968-2019 |
| Nice, France | NCE | 1973-2019 |
| Nikolayevsk-na-Amure, Russia | NLI | 1966-2010 20182019 |
| Nis, Serbia | INI | 1942-1943 19581959 1973-2019 |
| Nome, Alaska, United States | OME | 1942-2019 |
| Norfolk, Nebraska, United States | OFK | 1948-1952 1976-2019 |
| Norfolk, Virginia, United States | ORF | 1948-2019 |
| Norman Wells, Northwest Territories, Canada | YVQ | 1944-1947 1955-2019 |
| North Battleford, Saskatchewan, Canada | YQW | 1941-1943 1950-1958 1977-2019 |
| North Bay, Ontario, Canada | YYB | 1950-1966 1973-2019 |
| North Bend, Oregon, United States | OTH | 1949-2000 2002-2019 |
| North Island, California, United States | NZY | 1945-2019 |
| North Platte, Nebraska, United States | LBF | 1948-2019 |
| Nuremburg, Germany | NUE | 1931 1933-1940 1943 1955-1971 1973-2000 2003 2005- |
| Nuuk, Greenland | GOH | 1973-2019 |
| Oakland, California, United States | OAK | 1943 1948-2019 |
| Odense, Denmark | ODE | 1973-2019 |
| Odessa, Ukraine | ODS | 1953-1957 1964-1971 1973-2019 |
| Okhotsk, Russia | OHO | 1973-2019 |
| Oklahoma City, Oklahoma, United States | OKC | 1942-2019 |
| Olympia, Washington, United States | OLM | 1948-2019 |
| Omaha, Nebraska, United States | OMA | 1948-2019 |
| Oran, Algeria | ORN | 1957-1962 1964-1967 1973-1981 1983-2019 |
| Orenburg, Russia | REN | 1950-1958 1964-1971 1973-2019 |
| Orland, Norway | OLA | 1973-2019 |
| Orlando, Florida, United States | MCO | 1952-1970 1973-2019 |
| Orleans, France | ORE | 1973-2019 |
| Oscoda, Michigan, United States | OSC | 1943-1945 1952-1970 1973-1992 |
| Oslo, Norway | OSL | 1951-1955 1973-2018 |
| Ostend, Belgium | OST | 1973-2019 |
| Ostersund, Sweden | OSD | 1974-2019 |
| Ostrava, Czech Republic | OSR | 1954-1963 1973-2019 |
| Ottawa, Ontario, Canada | YOW | 1950-2019 |
| Oujda, Morocco | OUD | 1957-1962 1964-1967 1973-2019 |
| Oxnard, California, United States | OXR | 1944-1945 1953-1969 1998-2019 |
| Paducah, Kentucky, United States | PAH | 1950-1964 1973-2019 |
| Palacios, Texas, United States | PSX | 1946 1949-1958 1973-1981 1987-2019 |
| Palermo, Italy | PMO | 1964-1971 1973-2019 |
| Palma de Mallorca, Spain | PMI | 1973-2019 |
| Panama City, Florida, United States | PAM | 1942-2004 2007-2019 |
| Paranagua, Brazil | PNG | 2007-2015 |
| Paris, France | CDG | 1974-2019 |
| Paris, France | ORY | 1944-1947 1949-1956 1973-2019 |
| Parkersburg, West Virginia, United States | PKB | 1948-1954 1973-1997 2000-2019 |
| Paso Robles, California, United States | PRB | 1942 1948-1964 1973-2019 |
| Patuxent River, Maryland, United States | NHK | 1945-2019 |
| Pau, France | PUF | 1973-2019 |
| Peace River, Alberta, Canada | YPE | 1944-1945 1958-2019 |
| Pellston, Michigan, United States | PLN | 1948-1954 1973-2019 |
| Pendleton, Oregon, United States | PDT | 1938-2019 |
| Pensacola, Florida, United States | PNS | 1949-1954 1965-1995 1997-2019 |
| Penticton, British Columbia, Canada | YYF | 1953-2019 |
| Penza, Russia | PEZ | 1950-1971 1973-2019 |
| Peoria, Illinois, United States | PIA | 1948-1953 1956-2019 |
| Perpignan, France | PGF | 1931 1973-2019 |
| Petrozavodsk, Russia | PES | 1950-1971 1973-2019 |
| Philadelphia, Pennsylvania, United States | PHL | 1941-2019 |
| Phoenix, Arizona, United States | PHX | 1948-2019 |
| Pierre, South Dakota, United States | PIR | 1948-2019 |
| Piestany, Slovakia | PZY | 1973-2018 |
| Pisa, Italy | PSA | 1945-1947 19571958 1964-1971 1973-2019 |
| Pittsburgh, Pennsylvania, United States | PIT | 1945 1949-2019 |
| Plattsburgh, New York, United States | PBG | 1956-1995 2007-2019 |
| Pocatello, Idaho, United States | PIH | 1943-1944 1948-2019 |
| Pohang, South Korea | KPO | 1965-2018 |
| Pointe-a-Pitre, Guadeloupe | PTP | 1957-1960 19621963 1973-2019 |
| Point Mugu, California, United States | NTD | 1947-2019 |
| Poitiers, France | PIS | 1973-2019 |
| Ponca City, Oklahoma, United States | PNC | 1946-1954 1973-1982 1988-2019 |
| Pond Inlet, Nunavut, Canada | YIO | 1977-2019 |
| Port Hardy, British Columbia, Canada | YZT | 1957-1959 1977-2019 |
| Portland, Maine, United States | PWM | 1948-2019 |
| Portland, Oregon, United States | PDX | 1940-1943 1948-2019 |
| Port Of Spain, Trinidad And Tobago | POS | 1941-1949 1973-2019 |
| Porto, Portugal | OPO | 1931 1943-1945 1948-1958 1961-1970 1973-2019 |
| Porto Santo Island, Portugal | PXO | 1973-2019 |
| Portsmouth, New Hampshire, United States | PSM | 1956-2019 |
| Poughkeepsie, New York, United States | POU | 1949-1954 1973-2019 |
| Poznan, Poland | POZ | 1931 1940-1943 1952-1963 1973-2019 |
| Prague, Czech Republic | PRG | 1931 1952-1963 1973-2019 |
| Prescott, Arizona, United States | PRC | 1948-1954 1957-2019 |
| Preveza, Greece | PVK | 1973-2019 |
| Prince Albert, Saskatchewan, Canada | YPA | 1953-2019 |
| Prince George, British Columbia, Canada | YXS | 1953-2019 |
| Prince Rupert, British Columbia, Canada | YPR | 1957-1959 1962-2019 |
| Providence, Rhode Island, United States | PVD | 1942 1948-2019 |
| Pueblo, Colorado, United States | PUB | 1942-1945 1948-1978 1980-2019 |
| Punta Caucedo, Dominican Republic | SDQ | 1973-1991 19931994 1996-2013 2015-2019 |
| Pusan, South Korea | PUS | 1965-2018 |
| Qaanaaq, Greenland | THU | 1951-1970 1973-2019 |
| Quantico, Virginia, United States | NYG | 1945-1946 1948 1952-1971 1973-1976 1984-2019 |
| Quebec, Quebec, Canada | YQB | 1953-2019 |
| Quillayute, Washington, United States | UIL | 1966-2019 |
| Quincy, Illinois, United States | UIN | 1949-1954 1973-2019 |
| Rabat, Morocco | RBA | 1943 1959-1962 1964-1967 1973-2019 |
| Raleigh, North Carolina, United States | RDU | 1945-2019 |
| Rankin Inlet, Nunavut, Canada | YRT | 1981-2019 |
| Rapid City, South Dakota, United States | RAP | 1950-2019 |
| Red Bluff, California, United States | RBL | 1948-1986 1988-1993 1995-2019 |
| Red Deer, Alberta, Canada | YQF | 1977-2019 |
| Redmond, Oregon, United States | RDM | 1943-1945 1948-2019 |
| Redwood Falls, Minnesota, United States | RWF | 1950-1954 1973-1998 2000-2019 |
| Regina, Saskatchewan, Canada | YQR | 1953-2019 |
| Rennes, France | RNS | 1931 1973-2019 |
| Reno, Nevada, United States | RNO | 1943-1945 1949-2019 |
| Resolute Bay, Nunavut, Canada | YRB | 1947-2019 |
| Reykjavik, Iceland | RKV | 1931 1941-1944 1949-1956 1973-2019 |
| Rhodes, Greece | RHO | 1957-1958 1964-1971 1973-2019 |
| Richmond, Virginia, United States | RIC | 1942-1945 1948-2019 |
| Rimini, Italy | RMI | 1945 1975-2019 |
| Rio de Janeiro (Galeao), Brazil | GIG | 1973-2019 |
| Rio de Janeiro (Santa Cruz), Brazil | SNZ | 1973-1981 1990-1997 2000 2007-2012 |
| Riverside, California, United States | RIV | 1936-2019 |
| Rivne, Ukraine | RWN | 1959-1960 1973-2019 |
| Roanoke, Virginia, United States | ROA | 1948-2019 |
| Rochester, Minnesota, United States | RST | 1948-2019 |
| Rochester, New York, United States | ROC | 1948-2019 |
| Rockford, Illinois, United States | RFD | 1951-1954 1958-2019 |
| Rock Springs, Wyoming, United States | RKS | 1948-2019 |
| Rome, Italy | CIA | 1951-1956 19641965 1974-2019 |
| Rome, New York, United States | RME | 1942-1994 2007-2019 |
| Ronneby, Sweden | RNB | 1973-2019 |
| Roswell, New Mexico, United States | ROW | 1942-1967 1973-2019 |
| Rotterdam, Netherlands | RTM | 1973-1990 1993-2019 |
| Rouen, France | URO | 1973-2019 |
| Rouyn, Quebec, Canada | YUY | 1975-2019 |
| Rovaniemen, Finland | RVN | 1973-2018 |
| Russell, Kansas, United States | RSL | 1943-1945 1950-2019 |
| Sable Island, Nova Scotia, Canada | YSA | 1957-1966 1977-1992 1994-2017 |
| Sachs Harbour, Northwest Territories, Canada | YSY | 1955-1991 2005-2017 |
| Sacramento, California, United States | SAC | 1947-2019 |
| Saginaw, Michigan, United States | MBS | 1949-1954 1973-2019 |
| Saint John, New Brunswick, Canada | YSJ | 1957-1959 1982-2019 |
| Saint John's, Antigua And Barbuda | ANU | 1958-1966 1974-1999 2001-2019 |
| Saint Paul Island, Alaska, United States | SNP | 1943-1946 1950 1957-1985 1987-2019 |
| Saint Petersburg, Russia | LED | 1931 1950-1957 1964-1971 1973-2019 |
| Salem, Oregon, United States | SLE | 1948-2019 |
| Salina, Kansas, United States | SLN | 1943-1965 1973-2019 |
| Salisbury, Maryland, United States | SBY | 1949-1958 19601961 1968-2019 |
| Salt Lake City, Utah, United States | SLC | 1942 1948-2019 |
| Salzburg, Austria | SZG | 1946 1952-1969 1973-2019 |
| San Angelo, Texas, United States | SJT | 1948-2019 |
| San Antonio, Texas, United States | SAT | 1946-2019 |
| San Diego, California, United States | SAN | 1942 1948-2019 |
| Sandspit, British Columbia, Canada | YZP | 1948-1952 1957-1959 1977-2019 |
| San Francisco, California, United States | SFO | 1948-2019 |
| San Jose, California, United States | SJC | 1973-1981 19921993 1998-2019 |
| San Juan, Puerto Rico | SJU | 1942 1955-2019 |
| Santa Barbara, California, United States | SBA | 1948-1954 1957-1964 1973-1990 1993-2019 |
| Santa Maria, California, United States | SMX | 1954-1964 19731974 19811982 1985-2019 |
| Santa Maria Island, Portugal | SMA | 1944-1946 1951-1955 1973-2019 |
| Sao Paulo, Brazil | CGH | 1973-1976 1987-2007 |
| Sao Paulo (University), Brazil | USP | 1958-2014 |
| Saranac Lake, New York, United States | SLK | 1998-2019 |
| Saskatoon, Saskatchewan, Canada | YXE | 1957-1966 1977-2019 |
| Sault Ste. Marie, Michigan, United States | ANJ | 1948-2019 |
| Savannah, Georgia, United States | SAV | 1948-2019 |
| Schefferville, Quebec, Canada | YKL | 1953-2019 |
| Scottsbluff, Nebraska, United States | BFF | 1943-1944 1948-2019 |
| Seattle-Tacoma, Washington, United States | SEA | 1948-2019 |
| Seoul, South Korea | GMP | 1965-2018 |
| Sept-Iles, Quebec, Canada | YZV | 1953-2019 |
| Sexton Summit, Oregon, United States | SXT | 1948 1966-1988 1993-2019 |
| Sfax, Tunisia | SFA | 1960 1965-1967 1973-2019 |
| Shanghai, China | SHA | 1956-1964 1973-1996 2000-2006 2008-2019 |
| Shannon, Ireland | SNN | 1973-2019 |
| Shaw AFB, South Carolina, United States | SSC | 1942-1972 1974-2019 |
| Sheridan, Wyoming, United States | SHR | 1940-2019 |
| Shreveport, Louisiana, United States | SHV | 1948-2019 |
| Simferopol, Ukraine | SIP | 1957-1958 1964-1971 1973-2019 |
| Sion, Switzerland | SIR | 1955-1969 1973-2019 |
| Sioux City, Iowa, United States | SUX | 1942-1945 1948-2019 |
| Sioux Falls, South Dakota, United States | FSD | 1942-1945 1948-2019 |
| Sioux Lookout, Ontario, Canada | YXL | 1953-2019 |
| Sitka, Alaska, United States | SIT | 1948-1970 1973-2019 |
| Skopje, Macedonia | SKP | 1931 1973-2019 |
| Skyros, Greece | SKU | 1970-1971 1973-2019 |
| Slave Lake, Alberta, Canada | YZH | 1977-2019 |
| Sliac, Slovakia | SLD | 1959-1963 1973-2016 2018 |
| Smithers, British Columbia, Canada | YYD | 1977-2019 |
| Sodankyl, Finland | SOT | 1952-1963 1973-2019 |
| Sofia, Bulgaria | SOF | 1931 1952-1967 1973-1995 1997-2019 |
| South Bend, Indiana, United States | SBN | 1948-2019 |
| Sovetskaya Gavan, Russia | GLN | 1966-2019 |
| Spokane, Washington, United States | GEG | 1941-1945 1948-2019 |
| Springfield, Illinois, United States | SPI | 1948-2019 |
| Springfield, Missouri, United States | SGF | 1948-2019 |
| Stavanger, Norway | SVG | 1950-1954 1973-2019 |
| St Croix, Virgin Islands, United States | STX | 1942-1945 1951-1961 2000-2019 |
| Stephenville, Newfoundland, Canada | YJT | 1942-2019 |
| St John's, Newfoundland, Canada | YYT | 1942-1944 1947-2019 |
| Stjordal, Norway | TRD | 1951-1955 1973-2019 |
| St. Louis, Missouri, United States | STL | 1945-2019 |
| Stockholm, Sweden | BMA | 1973-2019 |
| Stockton, California, United States | SCK | 1941-1946 1948-1954 1963-1983 1986-1990 1996-2019 |
| Stornoway, United Kingdom | SYY | 1931 1973-2019 |
| Strasbourg, France | SXB | 1931 1973-2019 |
| Stuttgart, Germany | STR | 1946-2000 2003 2005-2007 2009-2019 |
| Sudbury, Ontario, Canada | YSB | 1954-2019 |
| Sundsvall, Sweden | SDL | 1973-2019 |
| Suwon, South Korea | SWU | 1965-2018 |
| Sydney, Nova Scotia, Canada | YQY | 1942-1944 1947 1949-2019 |
| Syktyvkar, Russia | SCW | 1959-1971 1973-2019 |
| Syracuse, New York, United States | SYR | 1942-2019 |
| Taegu, South Korea | TAE | 1965-2018 |
| Talkeetna, Alaska, United States | TKA | 1948-1965 1967-1970 1975-2019 |
| Tallahassee, Florida, United States | TLH | 1942-1944 1948-2019 |
| Tallinn, Estonia | TLL | 1953-1971 1973-2019 |
| Tampa, Florida, United States | TPA | 1942-1945 1948-2019 |
| Tanger, Morocco | TNG | 1959-1962 1964-1967 1973-2019 |
| Tarbes, France | LDE | 1973-2019 |
| Tartu, Estonia | TAY | 1950-1971 1973-2019 |
| Taunton, Massachusetts, United States | TAN | 1942-1944 1949-1971 1998-2019 |
| Tel Aviv, Israel | TLV | 1943-1945 1951-1960 1963-1967 1973-2019 |
| Terrace, British Columbia, Canada | YXT | 1977-2019 |
| Texarkana, Arkansas, United States | TXK | 1946-1953 1956-1968 1973-1975 1996-2019 |
| The Pas, Manitoba, Canada | YQD | 1943-1945 1950-2019 |
| Thermal, California, United States | TRM | 1943-1945 1950-1953 1973-1981 1989-2019 |
| Thessaloniki, Greece | SKG | 1964-1971 1973-2019 |
| Thompson, Manitoba, Canada | YTH | 1967-2019 |
| Thunder Bay, Ontario, Canada | YQT | 1953-2019 |
| Timmins, Ontario, Canada | YTS | 1955-2019 |
| Toledo, Ohio, United States | TOL | 1955-2019 |
| Tonopah, Nevada, United States | TPH | 1942-1945 1951-1982 1988-2019 |
| Topeka, Kansas, United States | TOP | 1948-2019 |
| Toronto, Ontario, Canada | YYZ | 1950-1966 1971-2019 |
| Toulouse, France | TLS | 1973-2019 |
| Tours, France | TUF | 1931 1973-2019 |
| Tozeur, Tunisia | TOE | 1973-2019 |
| Trabzon, Turkey | TZX | 1963-1968 1973-2019 |
| Trapani, Italy | TPS | 1966-1971 1973-2019 |
| Traverse City, Michigan, United States | TVC | 1949-2019 |
| Tri-Cities, Tennessee, United States | TRI | 1948-1953 1959-2019 |
| Tromso, Norway | TOS | 1973-2019 |
| Truth or Consequences, New Mexico, United States | TCS | 1950-1972 1979-1981 1996-2019 |
| Tucson, Arizona, United States | TUS | 1946 1948-2019 |
| Tucumcari, New Mexico, United States | TCC | 1946-1982 2000-2019 |
| Tulsa, Oklahoma, United States | TUL | 1947-2019 |
| Tunis, Tunisia | TUN | 1943-1945 1957-1962 1964-1967 1973-2019 |
| Tupelo, Mississippi, United States | TUP | 1985-2019 |
| Turin, Italy | TRN | 1964-1971 1973-2019 |
| Tuscaloosa, Alabama, United States | TCL | 1949-1954 1973-1996 1999-2019 |
| Ufa, Russia | UFA | 1950-1971 1973-2019 |
| Ukiah, California, United States | UKI | 1949-1964 1973-1981 1991-1996 1999-2019 |
| Ulleungdo, South Korea | XUL | 1965-2019 |
| Ulsan, South Korea | USN | 1965-2019 |
| Umea, Sweden | UME | 1977-2019 |
| Unlisted station, Russia | bos | 1945-2016 |
| Val-D'or, Quebec, Canada | YVO | 1955-2019 |
| Valdosta, Georgia, United States | VLD | 1948-1954 1987-2019 |
| Valencia, Spain | VLC | 1973-2019 |
| Valentine, Nebraska, United States | VTN | 1948 1973-2019 |
| Valparaiso, Florida, United States | VPS | 1941-2019 |
| Vancouver, British Columbia, Canada | YVR | 1953-2019 |
| Varna, Bulgaria | VAR | 1953-1967 1973-1995 1997-2019 |
| Venice, Italy | VCE | 1964-1971 1973-2019 |
| Verona, Italy | VRN | 1964-1971 1973-2019 |
| Vestmannaeyjar, Iceland | VEY | 1973-2013 |
| Victoria, British Columbia, Canada | YYJ | 1953-2019 |
| Victoria, Texas, United States | VCT | 1953-1958 1964-2019 |
| Victorville, California, United States | VCV | 1942-1946 1948 1950-1970 1974-1992 2011-2017 |
| Vienna, Austria | VIE | 1952-1953 1957-1969 1973-2019 |
| Vigo, Spain | VGO | 1973-1984 1988-2019 |
| Vilnius, Lithuania | VNO | 1959-1960 1964-1971 1973-2019 |
| Visby, Sweden | VBY | 1931 1973-2019 |
| Vitebsk, Belarus | VTB | 1960 1964-1971 1973-2019 |
| Vladivostok, Russia | VVO | 1950 1959-1971 1973-2019 |
| Volgograd, Russia | VOG | 1953-1971 1973-2019 |
| Wabush, Newfoundland, Canada | YWK | 1961-2019 |
| Waco, Texas, United States | ACT | 1942-1945 1948-2019 |
| Walla Walla, Washington, United States | ALW | 1943-1946 1948-1965 1973-1995 1998-2019 |
| Warsaw, Poland | WAW | 1931 1952-1963 1973-2019 |
| Washington (Dulles), Virginia, United States | IAD | 1962-2019 |
| Washington (Reagan), D.C., United States | DCA | 1938-2019 |
| Waterloo, Iowa, United States | ALO | 1960-2019 |
| Watertown, New York, United States | ART | 1949-1964 1973-2019 |
| Watertown, South Dakota, United States | ATY | 1948-1954 1973-1984 19871988 1991-2019 |
| Watson Lake, Yukon Territory, Canada | YQH | 1942-1947 1953-2019 |
| Wenatchee, Washington, United States | EAT | 1973-1992 1998-2019 |
| Westhampton, New York, United States | FOK | 1943-1945 1951-1969 1998-2019 |
| West Palm Beach, Florida, United States | PBI | 1943-1944 1948-2019 |
| Whidbey Island, Washington, United States | NUW | 1945-2019 |
| Whitehorse, Yukon Territory, Canada | YXY | 1942-1947 1953-2019 |
| White Plains, New York, United States | HPN | 1949-1954 1968-2019 |
| Wiarton, Ontario, Canada | YVV | 1950-1958 1973-2004 2006-2019 |
| Wichita Falls, Texas, United States | SPS | 1942-1944 1946-2019 |
| Wichita, Kansas, United States | ICT | 1954-2019 |
| Wick, United Kingdom | WIC | 1931 1973-2019 |
| Wilkes-Barre, Pennsylvania, United States | AVP | 1949-2019 |
| Williams Lake, British Columbia, Canada | YWL | 1944 1977-2019 |
| Williamsport, Pennsylvania, United States | IPT | 1948-1954 1959-2019 |
| Wilmington, Delaware, United States | ILG | 1942-1946 1948-2019 |
| Wilmington, North Carolina, United States | ILM | 1942-1945 1948-1953 1959-2019 |
| Windsor Locks, Connecticut, United States | BDL | 1942-1945 1949-2019 |
| Windsor, Ontario, Canada | YQG | 1953-2019 |
| Wink, Texas, United States | INK | 1946-1954 1973-1981 1988-2019 |
| Winnemucca, Nevada, United States | WMC | 1949-1987 1994-2019 |
| Winnipeg, Manitoba, Canada | YWG | 1953-2019 |
| Winslow, Arizona, United States | INW | 1948-2019 |
| Worcester, Massachusetts, United States | ORH | 1949-2019 |
| Wrightstown, New Jersey, United States | WRI | 1943-1946 1948-2019 |
| Wroclaw, Poland | WRO | 1963 1973-2019 |
| Yakima, Washington, United States | YKM | 1948-1994 1996-2019 |
| Yakutat, Alaska, United States | YAK | 1941-2019 |
| Yarmouth, Nova Scotia, Canada | YQI | 1949-1959 1982-2019 |
| Yellowknife, Northwest Territories, Canada | YZF | 1953-2019 |
| Yorkton, Saskatchewan, Canada | YQV | 1957-1959 1977-2019 |
| Youngstown, Ohio, United States | YNG | 1948-2019 |
| Yuma, Arizona, United States | YUM | 1942-1945 1948-2019 |
| Zanesville, Ohio, United States | ZZV | 1949-1954 1973-2019 |
| Zaporizhzhia, Ukraine | OZH | 1964-1971 1973-2019 |
| Zaragoza, Spain | ZAZ | 1973-1985 1988-2019 |
| Zurich, Switzerland | ZRH | 1955-1969 1973-2019 |