| Station Name | Months | Country | Earliest | Most Recent |
|---|
| HO | 9 | Ghana | Aug 1997 | Oct 2010 |
| HO CHI MINH/TANSONN | 44 | Vietnam | Jun 1978 | Dec 1982 |
| HOAEAE UPPER | 217 | United States | Jul 1919 | Nov 1948 |
| HOANG SA (PATTLE) | 112 | Vietnam | Jan 1957 | Dec 1973 |
| HOANG-SA/PATTLE/ | 332 | Vietnam | Jan 1941 | Sep 1973 |
| HOBART (ELLERSLIE ROAD) | 1870 | Australia | Jan 1841 | Oct 2013 |
| HOBART 2 WNW | 951 | United States | Mar 1902 | Feb 2000 |
| HOBART 4SE MESONET | 55 | United States | Feb 2009 | Sep 2013 |
| HOBART ELLERSLIE RO | 721 | Australia | Jan 1944 | Oct 2013 |
| HOBART MUNICIPAL AIRPORT | 1319 | United States | May 1903 | Oct 2013 |
| HOBART-2WNW | 839 | United States | Jul 1919 | Nov 1990 |
| HOBBS | 1146 | United States | Jan 1913 | Oct 2013 |
| HOBBS | 39 | United States | Jun 2007 | Jan 2012 |
| HOBBS 13 W | 181 | United States | Oct 1996 | Aug 2013 |
| HOBBS BROOK | 74 | United States | Mar 1920 | Jan 1934 |
| HOBBS LEA COUNTY | 138 | United States | Sep 1941 | Oct 1958 |
| HOBBS PARK | 260 | United States | Oct 1989 | Oct 2013 |
| HOBOKSAR | 724 | China | Jul 1953 | Oct 2013 |
| HOBSON | 88 | United States | Dec 2005 | Sep 2013 |
| HOBURG | 1562 | Sweden | Jan 1880 | Mar 2010 |
| HOBURG | 612 | Sweden | Jan 1961 | Dec 2011 |
| HOBURG A | 51 | Sweden | Jul 2009 | Oct 2013 |
| HODGENVILLE-LINCOLN NP | 529 | United States | Oct 1966 | Aug 2013 |
| HODGES GARDENS | 158 | United States | Jul 1997 | Oct 2013 |
| HODGEVILLE | 155 | Canada | Jul 1955 | Oct 1969 |
| HODGSON 2 | 448 | Canada | Nov 1966 | Sep 2013 |
| HODGSON 2,MA | 273 | Canada | Nov 1966 | Dec 1989 |
| HODOVARIHA | 116 | Russia | May 1979 | Dec 1994 |
| HODUTKA | 236 | Russia | Jan 1969 | Jul 1991 |
| HODZANA ALASKA | 196 | United States | Jun 1991 | Aug 2012 |
| HOEDSPRUIT (SAAF) | 136 | South Africa | Sep 1987 | Oct 2013 |
| HOEK VAN HOLLAND | 334 | Netherlands | Mar 1971 | Aug 2013 |
| HOEK VAN HOLLAND AWS | 557 | Netherlands | Mar 1949 | Oct 2013 |
| HOENGSONG K 46 | 31 | Korea, South | May 1951 | Jun 1955 |
| HOERNKI | 235 | Switzerland | Mar 1994 | Oct 2013 |
| HOF | 871 | Germany | Jan 1936 | Jul 2013 |
| HOFFMEISTER 3 W | 17 | United States | Aug 1963 | Mar 1965 |
| HOFMANN FOREST | 404 | United States | Dec 1945 | May 2011 |
| HOFMANN FOREST NORTH CAROLINA | 109 | United States | Sep 2002 | Apr 2013 |
| HOFN I HORNAFIRDI/HOLAR ICELAN | 752 | Iceland | Jan 1951 | Oct 2013 |
| HOFU AB | 489 | Japan | May 1949 | Oct 2013 |
| HOG BACK MOUNTAIN (1) | 13 | United States | Sep 1926 | Aug 1929 |
| HOG ISLAND LITTLE MA | 146 | United States | Apr 1940 | Mar 1964 |
| HOGAN | 58 | United States | Jan 1893 | Dec 1898 |
| HOGAN ISLAND AWS | 99 | Australia | Jun 1993 | Jan 2012 |
| HOGATZA RIVER ALASKA | 175 | United States | Jun 1988 | Oct 2013 |
| HOGFJALLSHOTELLET | 145 | Sweden | Jul 2001 | Oct 2013 |
| HOGG PASS | 321 | United States | Sep 1985 | Oct 2013 |
| HOGGARDS MILL | 224 | United States | Aug 1939 | Apr 1958 |
| HOGLAND | 108 | Sweden | Jan 1961 | Jun 1975 |
| HOGLEKARDALEN | 598 | Sweden | Feb 1962 | Dec 2011 |
| HOGSATER | 51 | Sweden | Jan 1965 | Apr 1969 |
| HOGSETT R.C. BYRD DAM | 754 | United States | Jun 1949 | Sep 2013 |
| HOGSJO | 396 | Sweden | Jan 1961 | Dec 1993 |
| HOGSON | 242 | Sweden | Jan 1961 | Aug 1981 |
| HOGSTENA | 26 | Sweden | Sep 1962 | Dec 1964 |
| HOH RS | 63 | United States | Aug 2004 | Aug 2013 |
| HOHE WAND/HOCHKOGELHAUS | 230 | Austria | Feb 1994 | Oct 2013 |
| HOHENELB | 406 | Czech Republic | Jan 1817 | Dec 1850 |
| HOHENFELS | 474 | Germany | Oct 1961 | Oct 2013 |
| HOHENFELS (USA-AF) | 168 | Germany | Feb 1973 | Sep 1988 |
| HOHENFURTH | 247 | Austria | Jan 1817 | Dec 1843 |
| HOHENPEISSENBERG GERMANY FED.R | 2790 | Germany | Jan 1781 | Oct 2013 |
| HOHENWALD | 548 | United States | Oct 1896 | Nov 2011 |
| HOHN | 429 | Germany | Jan 1973 | Oct 2013 |
| HOHNHOLZ RANCH | 331 | United States | Dec 1985 | Sep 2013 |
| HOKITIKA AERODROME AWS | 1615 | New Zealand | Feb 1866 | Oct 2013 |
| HOKMARKSBERGET | 138 | Sweden | Jul 2001 | Oct 2013 |
| HOKMARKSBERGET_V | 170 | Sweden | Mar 1996 | Dec 2011 |
| HOKOPINGE | 57 | Sweden | Dec 1962 | Aug 1968 |
| HOLBAEK FLYVEPLADS | 276 | Denmark | Mar 1983 | Oct 2013 |
| HOLBEACH RAF RANGE | 372 | United Kingdom | Sep 1964 | Oct 2013 |
| HOLBERG FIRE DEPT | 263 | Canada | Feb 1968 | May 1991 |
| HOLBERG,BC | 707 | Canada | Apr 1909 | Nov 1992 |
| HOLBROOK | 1333 | United States | Oct 1891 | Aug 2010 |
| HOLBROOK | 10 | United States | Mar 1906 | Dec 1906 |
| HOLBROOK 17 ESE | 51 | United States | Aug 2009 | Oct 2013 |
| HOLCOMB | 91 | United States | May 1912 | Nov 1920 |
| HOLCOMB ROCK | 26 | United States | Apr 2005 | Jul 2013 |
| HOLCOMB ROCK | 8 | United States | Apr 2011 | Nov 2011 |
| HOLCOMBE | 795 | United States | Jan 1942 | Oct 2013 |
| HOLDEN | 29 | United States | Mar 1931 | Feb 1934 |
| HOLDEN AGDM | 113 | Canada | Feb 2004 | Oct 2013 |
| HOLDEN AGDM, ALTA | 108 | Canada | Aug 2004 | Oct 2013 |
| HOLDEN VILLAGE | 777 | United States | Dec 1938 | Oct 2013 |
| HOLDENVILLE 2 SSE | 1268 | United States | Mar 1901 | Dec 2010 |
| HOLDENVILLE 3ESE MESONET | 45 | United States | Dec 2009 | Sep 2013 |
| HOLDFAST | 290 | Canada | Nov 1961 | May 2011 |
| HOLDREGE | 1417 | United States | Jun 1890 | Oct 2013 |
| HOLDREGE 1 E | 43 | United States | Dec 1957 | Sep 1970 |
| HOLDREGE BREWSTER FLD AP | 298 | United States | Jul 1973 | Oct 2013 |
| HOLDSWORTHY AIR CAVALRY | 46 | Australia | Mar 1970 | Aug 1974 |
| HOLE-IN-MOUNTAIN | 274 | United States | Jul 1987 | Oct 2013 |
| HOLE-IN-ROCK | 303 | United States | Mar 1986 | Oct 2013 |
| HOLESOV | 490 | Czech Republic | Jan 1973 | Oct 2013 |
| HOLGATE | 259 | United States | Jun 1929 | Jul 1951 |
| HOLICK | 101 | Sweden | Jun 1987 | Oct 1995 |
| HOLJES | 610 | Sweden | Jan 1961 | Dec 2011 |
| HOLLAND | 65 | United States | Jun 1902 | Oct 1907 |
| HOLLAND 1 E | 961 | United States | Mar 1933 | Jul 2013 |
| HOLLAND 3 NW | 1281 | United States | Jul 1905 | Oct 2013 |
| HOLLAND LANDING | 61 | Canada | Jul 1964 | Nov 1969 |
| HOLLAND MEADOWS | 334 | United States | Jul 1984 | Oct 2013 |
| HOLLAND ROCK | 108 | Canada | Jan 2004 | Oct 2013 |
| HOLLAND ROCK, BC | 109 | Canada | Aug 2001 | Dec 2010 |
| HOLLAND TULIP CITY AP | 206 | United States | Jul 1996 | Oct 2013 |
| HOLLIDAYSBURG 2 NW | 58 | United States | Jan 1894 | Dec 1898 |
| HOLLIS | 261 | United States | Sep 1950 | Aug 2013 |
| HOLLIS | 229 | United States | Sep 1994 | Oct 2013 |
| HOLLIS 5 E MESONET | 26 | United States | May 2011 | Sep 2013 |
| HOLLIS 5E | 1041 | United States | Aug 1922 | May 2011 |
| HOLLISTER | 194 | United States | Jul 1908 | Apr 1927 |
| HOLLISTER USA | 1613 | United States | Jan 1874 | Sep 2013 |
| HOLLISTER CALIFORNIA | 127 | United States | Jan 2003 | Oct 2013 |
| HOLLISTER MUNI | 56 | United States | Sep 1945 | Oct 2013 |
| HOLLISTER NAAS | 7 | United States | Mar 1945 | Sep 1945 |
| HOLLOLA ALA-OKEROINEN | 45 | Finland | Sep 1993 | May 1997 |
| HOLLOMAN AFB, NM | 830 | United States | Sep 1942 | Oct 2013 |
| HOLLOWAY ORCHARD | 19 | United States | Dec 1915 | Dec 1920 |
| HOLLY 1NW | 1277 | United States | Sep 1899 | Nov 2012 |
| HOLLY HILL 1 SW | 438 | United States | Dec 1957 | Feb 2012 |
| HOLLY LAKE RCH | 97 | United States | Feb 2004 | Oct 2013 |
| HOLLY RIDGE 10 N | 109 | United States | Dec 1957 | Jan 1967 |
| HOLLY SPRINGS 2 N | 1464 | United States | Feb 1889 | Oct 2013 |
| HOLLY-SPRINGS-4N | 1250 | United States | Aug 1867 | Dec 1990 |
| HOLLYBURN RIDGE | 386 | Canada | Jun 1960 | Mar 1995 |
| HOLLYRIDGE N C/CAMP DAVIS AF | 14 | United States | Mar 1944 | Jul 1945 |
| HOLLYWOOD | 131 | United States | Nov 2002 | Oct 2013 |
| HOLLYWOOD BURBANK ARPT | 772 | United States | Jun 1943 | Oct 2013 |
| HOLLYWOOD NORTH PERRY AP | 167 | United States | May 1999 | Oct 2013 |
| HOLM | 458 | Russia | Sep 1949 | Oct 2013 |
| HOLMA | 412 | Sweden | May 1962 | Nov 1996 |
| HOLMAN CS /NWT. | 126 | Canada | Jun 2000 | Oct 2013 |
| HOLMAN ISLAND | 311 | Canada | Jan 1958 | Dec 1983 |
| HOLMAN,NW | 369 | Canada | Jan 1941 | Sep 2010 |
| HOLME | 47 | United Kingdom | Oct 1941 | Sep 1945 |
| HOLME MOSS | 228 | United Kingdom | Jan 1973 | Feb 1995 |
| HOLME MOSS (AUT) | 134 | United Kingdom | Jan 1979 | May 1995 |
| HOLMES REEF | 212 | Australia | Jan 1991 | Oct 2013 |
| HOLMOGADD_(LGT-H) | 1845 | Sweden | Jul 1854 | Feb 2012 |
| HOLMOGORY | 163 | Russia | May 1979 | Oct 2013 |
| HOLMON | 117 | Sweden | Dec 2001 | Oct 2013 |
| HOLMON A | 79 | Sweden | May 2005 | Dec 2011 |
| HOLMSK FORMER | 520 | Russia | Feb 1958 | Oct 2013 |
| HOLOD | 190 | Romania | Apr 1983 | Sep 2002 |
| HOLOPAW 6 SE | 34 | United States | Apr 1967 | Feb 1970 |
| HOLSTEIN | 107 | United States | Sep 2004 | Oct 2013 |
| HOLSTEIN | 81 | Canada | Feb 1953 | Apr 1966 |
| HOLSTEIN RANGER STATION | 4 | United States | Aug 1916 | Sep 1917 |
| HOLSWORTHY CONTROL RANGE | 179 | Australia | May 1998 | Oct 2013 |
| HOLTER DAM | 1305 | United States | Mar 1903 | Oct 2013 |
| HOLTON 7 SE | 788 | United States | Sep 1902 | Oct 2013 |
| HOLTVILLE CALIFORNIA NAS | 11 | United States | Mar 1945 | Jan 1946 |
| HOLTVILLE NAAS | 10 | United States | Apr 1945 | Jan 1946 |
| HOLTWOOD | 941 | United States | Oct 1919 | Mar 1999 |
| HOLTZ BAY ATTU I ALEUTIAN ISL | 469 | United States | Sep 1917 | Aug 1993 |
| HOLUALOA 70 | 235 | United States | Feb 1905 | Aug 1928 |
| HOLY CROSS ALASKA U.S. | 930 | United States | Jan 1893 | Oct 2013 |
| HOLY HILL 2 E | 69 | United States | Nov 2007 | Oct 2013 |
| HOLYOKE | 1173 | United States | Mar 1897 | Oct 2013 |
| HOLYOKE | 48 | United States | Jan 1904 | Sep 1908 |
| HOLYOKE | 32 | United States | Dec 2010 | Oct 2013 |
| HOLYROOD GEN STN | 370 | Canada | Nov 1970 | May 2011 |
| HOLYROOD ULTRAMAR | 226 | Canada | Jan 1962 | Dec 2008 |
| HOLZDORF (FLUGPLATZ) | 222 | Germany | Jan 1995 | Oct 2013 |
| HOMALIN | 80 | Burma / Myanmar | Jun 1999 | Oct 2013 |
| HOMBORI MALI HOMB | 617 | Mali | Jan 1950 | Jan 2012 |
| HOMEDALE 1 SE | 190 | United States | Mar 1990 | Sep 2013 |
| HOMEPLACE | 21 | United States | Dec 1922 | Dec 1925 |
| HOMER | 38 | United States | Sep 1901 | Apr 1913 |
| HOMER (MUN. AIRPORT) | 942 | United States | Sep 1932 | Oct 2013 |
| HOMER 13 NE | 27 | United States | Dec 2002 | Oct 2005 |
| HOMER 2NW | 13 | United States | Aug 2003 | Oct 2004 |
| HOMER 3 SSW | 746 | United States | Feb 1893 | Oct 2013 |
| HOMER 5 NW | 257 | United States | Apr 1952 | Aug 1973 |
| HOMER 8 NW | 423 | United States | Nov 1977 | Sep 2013 |
| HOMER 9 E | 268 | United States | Aug 1988 | Oct 2011 |
| HOMER ALASKA | 165 | United States | Jun 1998 | Oct 2013 |
| HOMER RESEARCH CENTER | 41 | United States | Oct 1973 | Jul 1978 |
| HOMER SPIT | 195 | United States | Dec 1996 | Oct 2013 |
| HOMER WSO AP, AK | 827 | United States | Sep 1932 | Jul 2004 |
| HOMERVILLE | 72 | United States | Jun 2007 | Oct 2013 |
| HOMERVILLE 3 WSW | 667 | United States | Jan 1957 | Oct 2013 |
| HOMESTEAD AAF | 174 | United States | Jul 1956 | Dec 1970 |
| HOMESTEAD ARB | 690 | United States | Feb 1943 | Oct 2013 |
| HOMESTEAD EXP STN | 1177 | United States | Aug 1910 | Oct 2013 |
| HOMESTEAD GEN AVIATION AP | 237 | United States | Jun 1990 | Oct 2013 |
| HOMESTEAD SANATARIUM | 53 | United States | Jul 1916 | Oct 1921 |
| HOMOROD | 161 | Romania | Jan 1985 | Sep 2002 |
| HOMOSASSA | 50 | United States | Jul 2004 | Jul 2009 |
| HOMS | 559 | Syria | Jan 1952 | Dec 1998 |
| HOMS/LA VALDAGNO | 594 | Libya | Jan 1912 | Oct 2013 |
| HOMUTOVO | 606 | Russia | Jan 1959 | Jul 2011 |
| HON | 622 | Libya | Jun 1954 | Oct 2013 |
| HONAVAR | 100 | India | Mar 2005 | Oct 2013 |
| HONDO | 1034 | United States | Jul 1903 | Oct 2013 |
| HONDO 1 SE | 108 | United States | Nov 1908 | May 1918 |
| HONDO AFB | 18 | United States | Feb 1955 | May 1958 |
| HONDO MUNICIPAL AP | 521 | United States | Oct 1942 | Oct 2013 |
| HONEFOSS HOYBY | 97 | Norway | Sep 2005 | Oct 2013 |
| HONEOYE | 255 | United States | Jul 1992 | Oct 2013 |
| HONESDALE 5 NNW | 67 | United States | Jan 1894 | Sep 1920 |
| HONEY GROVE | 27 | United States | May 1917 | Nov 1919 |
| HONEYMAN STATE PARK | 463 | United States | Jun 1971 | Aug 2013 |
| HONEYMEAD BROOK | 128 | United States | Jan 1893 | Jan 1904 |
| HONEYSUCKLE CREEK | 169 | Australia | Sep 1967 | Nov 1981 |
| HONFLEUR | 356 | Canada | Oct 1957 | Jun 2005 |
| HONG KONG INTERNATIONAL AIRPORT | 472 | China | Jan 1973 | Oct 2013 |
| HONG KONG/ROYAL OBS. T | 1808 | Hong Kong | Jan 1853 | Dec 2011 |
| HONGCH'ON | 252 | Korea, South | Jan 1973 | Dec 1993 |
| HONGCHON KOREA | 46 | Korea, South | May 2009 | Oct 2013 |
| HONGJIA | 259 | China | Sep 1956 | Mar 1997 |
| HONGZE HU (LAKE) | 204 | China | Oct 1961 | Apr 1997 |
| HONIARA BRITISH SOLOMONS | 750 | Solomon Islands | Apr 1943 | Oct 2013 |
| HONIARA/NTF/AWS | 70 | Solomon Islands | May 2005 | Nov 2011 |
| HONINGTON | 308 | United Kingdom | Jan 1973 | May 2003 |
| HONK FALLS | 10 | United States | Jan 1927 | May 1928 |
| HONNINGSVAG AP | 341 | Norway | Nov 1984 | Oct 2013 |
| HONNINGSVAG LUFTHAVN | 127 | Norway | Aug 2002 | Aug 2013 |
| HONOKAA TOWN 215 | 7 | United States | Mar 1942 | Dec 1942 |
| HONOKANAI'A HAWAII | 125 | United States | Oct 2001 | Aug 2013 |
| HONOLUA FIELD 49 494 | 33 | United States | Jan 1918 | Jul 1922 |
| HONOLULU OAHU HAWAII | 1565 | United States | Jan 1883 | Oct 2013 |
| HONOLULU OBSRVTRY. OAHU HAWAI | 1284 | United States | Feb 1905 | Oct 2013 |
| HONOLULU SUBSTN 407 | 385 | United States | Jan 1947 | Oct 2013 |
| HONOMAELE 355.2 | 9 | United States | Oct 2006 | Jul 2009 |
| HONOMANU 450 | 467 | United States | Feb 1905 | Dec 1945 |
| HONOMU MAUKA 138 | 270 | United States | Aug 1915 | Apr 1963 |
| HOOD CANAL BRIDGE | 10 | United States | Apr 1991 | Sep 1992 |
| HOOD RANGER STN | 128 | United States | Dec 1906 | Mar 1954 |
| HOOD RIVER EXP STN | 1449 | United States | Jan 1891 | Jun 2013 |
| HOOD-RIVER-EXPERIMEN | 1193 | United States | Jan 1891 | Dec 1990 |
| HOODOO BASIN | 341 | United States | Jun 1982 | Oct 2013 |
| HOODOO HILL ALASKA | 134 | United States | Jul 1992 | Mar 2013 |
| HOOGEVEEN | 280 | Netherlands | Mar 1990 | Aug 2013 |
| HOOGEVEEN AWS | 196 | Netherlands | Oct 1994 | Oct 2013 |
| HOOK FLD MUNI | 77 | United States | Nov 2006 | Oct 2013 |
| HOOKER | 1240 | United States | Jun 1906 | Oct 2013 |
| HOOKER 12 NNW | 13 | United States | Jan 2011 | Sep 2013 |
| HOONAH | 265 | United States | May 1941 | Oct 2013 |
| HOONAH ALASKA | 189 | United States | Oct 1989 | Oct 2013 |
| HOONAH SEAPLANE BASE | 297 | United States | Dec 1978 | Oct 2013 |
| HOOPA TRINITY RIVER | 524 | United States | Dec 1958 | Oct 2013 |
| HOOPER | 56 | United States | Dec 1898 | Oct 1903 |
| HOOPER 1 | 182 | United States | Feb 1898 | Jun 1914 |
| HOOPER BAY AP | 295 | United States | Sep 1926 | Oct 2013 |
| HOOPESTON 1 NE | 1325 | United States | Sep 1887 | Oct 2013 |
| HOOPESTON-1NE | 1059 | United States | Feb 1887 | Dec 1990 |
| HOOPULOA | 26 | United States | May 1908 | Jan 1912 |
| HOORAN AWS | 20 | Netherlands | Oct 1994 | Feb 1999 |
| HOORN TERSCHELLING | 230 | Netherlands | Jun 1994 | Aug 2013 |
| HOORN-A HELIPAD OIL | 44 | Netherlands | Dec 2008 | Oct 2013 |
| HOOSAC TUNNEL | 513 | United States | Aug 1930 | Jun 1973 |
| HOOSIER PASS | 305 | United States | Jul 1986 | Oct 2013 |
| HOOVER | 113 | United States | Jun 2004 | Oct 2013 |
| HOOVERSVILLE | 4 | United States | Jun 1960 | Sep 1960 |
| HOPA | 520 | Turkey | Jan 1962 | Oct 2013 |
| HOPE | 759 | United States | Jan 1919 | Sep 2013 |
| HOPE | 284 | United States | Mar 1979 | Jun 2012 |
| HOPE | 11 | United States | Oct 1974 | Dec 1998 |
| HOPE | 7 | United States | Jul 1948 | Jul 1949 |
| HOPE (AUT), BC | 751 | Canada | Jan 1951 | Oct 2013 |
| HOPE (AUTOB) | 678 | Canada | Nov 1936 | Mar 1995 |
| HOPE (READAC) | 14 | Canada | Jul 1991 | Nov 1992 |
| HOPE 3 NE | 1188 | United States | Aug 1892 | Oct 2013 |
| HOPE 3SW | 52 | United States | Dec 2003 | Mar 2010 |
| HOPE AIRPORT (MAN) | 277 | Canada | Jan 1973 | Oct 2013 |
| HOPE BAY | 96 | Antarctica | May 1952 | Apr 1960 |
| HOPE BAY ANTARCTICA | 63 | Antarctica | Jan 1953 | Jun 1958 |
| HOPE BROOK | 88 | Canada | Jun 1989 | Jul 1997 |
| HOPE KAWKAWA LAKE | 259 | Canada | May 1955 | Jun 1977 |
| HOPE LAKE | 60 | Canada | Aug 1982 | May 1988 |
| HOPE LITTLE MOUNTAIN | 520 | Canada | Mar 1910 | Dec 1954 |
| HOPE SLIDE | 433 | Canada | Jun 1975 | Sep 2013 |
| HOPE SLIDE | 86 | Canada | May 1967 | Jun 1977 |
| HOPEDALE | 90 | United States | Sep 1957 | May 1965 |
| HOPEDALE (AUT), NFLD | 808 | Canada | Jan 1942 | Oct 2013 |
| HOPEMONT | 146 | United States | Oct 1951 | Nov 1964 |
| HOPEN | 752 | Svalbard [Norway] | Jan 1947 | Oct 2013 |
| HOPETOUN AIRPORT | 110 | Australia | Jul 2004 | Oct 2013 |
| HOPETOUN NORTH | 179 | Australia | Jan 1997 | Sep 2013 |
| HOPETOWN NORTH | 184 | Australia | Mar 1998 | Oct 2013 |
| HOPEWELL | 1141 | United States | Oct 1916 | Oct 2013 |
| HOPEWELL | 296 | United States | Sep 1909 | Oct 2013 |
| HOPEWELL | 76 | Canada | Dec 1977 | Apr 1984 |
| HOPEWELL 1 SE | 773 | United States | Sep 1909 | Nov 1983 |
| HOPEWELL FURNACE NHS | 268 | United States | Jan 1979 | Jul 2002 |
| HOPI ARIZONA | 123 | United States | Sep 2002 | Jul 2013 |
| HOPKINS ARIZONA | 139 | United States | Nov 2001 | Oct 2013 |
| HOPKINS FIELD | 9 | United States | Jan 2013 | Oct 2013 |
| HOPKINSVILLE | 1309 | United States | May 1896 | Jan 2012 |
| HOPKINTON LAKE | 15 | United States | Mar 2011 | Sep 2013 |
| HOPLAND CALIFORNIA | 129 | United States | Oct 2001 | Nov 2012 |
| HOPSTEN | 387 | Germany | Jan 1973 | Nov 2005 |
| HOQUIAM | 113 | United States | Jun 1943 | May 1953 |
| HOQUIAM BOWERMAN AP | 767 | United States | Apr 1949 | Oct 2013 |
| HORACE WILLIAMS | 142 | United States | Sep 2001 | Oct 2013 |
| HORASAN | 226 | Turkey | Feb 1972 | Dec 1990 |
| HORBURG | 293 | Canada | Jul 1981 | Sep 2009 |
| HORBY | 143 | Sweden | Oct 2001 | Oct 2013 |
| HORBY_A | 197 | Sweden | Aug 1995 | Dec 2011 |
| HORDS CREEK DAM | 705 | United States | Jul 1953 | May 2013 |
| HOREJ-VER | 130 | Russia | Jul 1975 | Sep 1994 |
| HORICON | 512 | United States | Nov 1970 | Oct 2013 |
| HORINSK | 706 | Russia | Jan 1948 | Oct 2013 |
| HORN | 146 | Sweden | Jul 2001 | Oct 2013 |
| HORN ISLAND (HID) | 237 | Australia | Aug 1942 | Oct 2013 |
| HORN POINT WX STN | 26 | United States | Mar 2005 | Aug 2007 |
| HORNBJARGSVITI (LH) | 295 | Iceland | Feb 1949 | Oct 2013 |
| HORNBY | 129 | Canada | Aug 1967 | Jul 1978 |
| HORNBY ISLAND | 34 | Canada | Jun 1967 | Jul 1970 |
| HORNELL ALMOND DAM | 34 | United States | Jan 2011 | Oct 2013 |
| HORNEPAYNE,ON | 726 | Canada | Jun 1917 | Jun 1989 |
| HORNS REV A HELIDEC | 38 | Denmark | Dec 2009 | Oct 2013 |
| HORNS REV B HELIDECK | 38 | Denmark | Oct 2009 | Oct 2013 |
| HORNS REV. | 82 | Denmark | Jan 1973 | Mar 1980 |
| HORNSUND | 264 | Svalbard [Norway] | Nov 1989 | Oct 2013 |
| HORN_A | 192 | Sweden | Jan 1996 | Dec 2011 |
| HOROMUSHIRO | 96 | Russia | Jan 1936 | Dec 1943 |
| HORSCHING (AUS-AFB) | 21 | Austria | Feb 1940 | Nov 1941 |
| HORSE BUTTE IDAHO | 338 | United States | Feb 1985 | Oct 2013 |
| HORSE CAMP CANYON ARIZONA | 313 | United States | Jul 1987 | Oct 2013 |
| HORSE CREEK | 11 | United States | May 1911 | Jun 1914 |
| HORSE CREEK 2 NW | 266 | United States | Dec 1955 | Feb 1978 |
| HORSE CREEK OREGON | 321 | United States | Jun 1985 | Oct 2013 |
| HORSE HOLLOW - COVE FORT 5W UT | 276 | United States | Oct 1990 | Oct 2013 |
| HORSE LAKE | 117 | Canada | Jul 1983 | May 1994 |
| HORSE LAKE CALIFORNIA | 259 | United States | Nov 1991 | Oct 2013 |
| HORSE MEADOW | 14 | United States | Oct 2003 | Dec 2004 |
| HORSE MOUNTAIN | 51 | United States | Nov 1952 | Aug 1957 |
| HORSE MOUNTAIN COLORADO | 71 | United States | Jun 1991 | May 1997 |
| HORSE RIDGE | 281 | United States | Aug 1989 | Oct 2013 |
| HORSE RIDGE UTAH | 183 | United States | May 1992 | Oct 2013 |
| HORSE SHOE IS ANTARCTICA IS | 29 | Antarctica | Sep 1955 | Jun 1958 |
| HORSE SPRINGS | 123 | United States | Feb 1900 | Aug 1938 |
| HORSE THIEF SPRINGS CALIFORNIA | 260 | United States | Oct 1991 | Oct 2013 |
| HORSEFLY BCFS | 150 | Canada | May 1970 | Feb 1984 |
| HORSEFLY LAKE GRUHS LAKE | 403 | Canada | Dec 1950 | Aug 2013 |
| HORSEFLY RIVER BC | 18 | Canada | Sep 1993 | Apr 1995 |
| HORSEHEADS | 21 | United States | Aug 1942 | Oct 1944 |
| HORSENS/BYGHOLM | 15 | Denmark | Jun 2012 | Sep 2013 |
| HORSESHOE BAY AIRPAR | 51 | United States | Jul 2009 | Oct 2013 |
| HORSESHOE ISLAND | 48 | Antarctica | Jan 1956 | Dec 1959 |
| HORSESHOE LAKE | 94 | Canada | Jul 1969 | Aug 1982 |
| HORSHAM (POLKEMMET) | 1134 | Australia | Nov 1898 | May 2006 |
| HORSHAM AERODROME | 185 | Australia | Nov 1997 | Oct 2013 |
| HORSHAM POLKEMMET RD | 1256 | Australia | Nov 1898 | Mar 2012 |
| HORSLEY EQUESTRIAN | 134 | Australia | Oct 2001 | Oct 2013 |
| HORSLEY PARK EQUESTRIAN CENTRE | 179 | Australia | Sep 1997 | Sep 2013 |
| HORTA (ACORES) | 1307 | Azores | Jan 1902 | Oct 2013 |
| HORTA/CASTELO BRANCO (ACORES) | 431 | Portugal | Feb 1976 | Oct 2013 |
| HORTON | 1492 | United States | Jun 1888 | Oct 2013 |
| HORTON PEAK IDAHO | 291 | United States | Aug 1985 | Oct 2013 |
HOSEA KUTAKO INT| 285 | Namibia | Feb 1966 | Jun 2010 | |
| HOSEA KUTAKO INTL A | 412 | Namibia | Dec 1975 | Sep 2013 |
| HOSEDA HARD | 960 | Russia | Jun 1931 | Oct 2013 |
| HOSIN | 49 | Czech Republic | Jul 1988 | Oct 1992 |
| HOSKINS INLET(MAPS) | 40 | Canada | Oct 1984 | Feb 1995 |
| HOSKINS W.O. | 3 | Papua New Guinea | Oct 2003 | May 2004 |
| HOSTOMEL | 111 | Ukraine | Aug 2004 | Oct 2013 |
| HOT SPRINGS | 1400 | United States | Jun 1892 | Oct 2013 |
| HOT SPRINGS | 347 | United States | Aug 1969 | Oct 2013 |
| HOT SPRINGS | 141 | United States | Jan 1906 | May 1918 |
| HOT SPRINGS (AWRS) | 73 | United States | Jan 1973 | Mar 1984 |
| HOT SPRINGS 1 NNE | 1163 | United States | Feb 1889 | Oct 2013 |
| HOT SPRINGS 2 | 1235 | United States | Jan 1902 | Oct 2013 |
| HOT SPRINGS 2 NE | 21 | United States | Jun 1949 | Feb 1951 |
| HOT SPRINGS INGALLS FLD | 412 | United States | Jan 1973 | Oct 2013 |
| HOT SPRINGS MEMORIAL | 322 | United States | Jun 1986 | Sep 2013 |
| HOT SPRINGS MONTANA | 265 | United States | Jul 1991 | Oct 2013 |
| HOT SULPHUR SPRINGS 2 SW | 342 | United States | Dec 1941 | Jun 1981 |
| HOT-SPRINGS | 1156 | United States | Mar 1892 | Dec 1990 |
| HOT-SPRINGS | 1035 | United States | Jan 1897 | Dec 1990 |
| HOTCHKISS LO | 7 | Canada | Jun 2004 | Jun 2006 |
| HOTEL (PARSHALL) | 5 | United States | Sep 2012 | Oct 2013 |
| HOTEL NORTH DAKOTA | 111 | United States | Apr 2001 | Jun 2013 |
| HOTHAM HEIGHTS | 17 | Australia | Jul 1967 | Dec 1969 |
| HOTING | 319 | Sweden | Dec 1969 | Sep 1997 |
| HOTING | 181 | Sweden | Apr 1973 | Oct 2013 |
| HOTING_A | 186 | Sweden | Mar 1996 | Dec 2011 |
| HOUCHE AL OUMARA LB | 97 | Lebanon | Jan 1994 | Aug 2003 |
| HOUCHE-AL-OUMARA | 206 | Lebanon | Jul 1994 | Oct 2013 |
| HOUEI-SAI * | 83 | Laos | Jan 1972 | Oct 2013 |
| HOUGHTON LAKE 2NW | 159 | United States | May 2000 | Jul 2013 |
| HOUGHTON LAKE/ROSCOMMON COUNTY, MI. | 1172 | United States | Dec 1912 | Oct 2013 |
| HOUGHTON MICH TECH | 202 | United States | Jan 1931 | Oct 1947 |
| HOUGHTON MTU | 113 | United States | Nov 1993 | Aug 2003 |
| HOUGHTON/HOUGHTON COUNTY, MI. | 469 | United States | Jan 1973 | Oct 2013 |
| HOULTON 5 N | 1339 | United States | Feb 1892 | Sep 2013 |
| HOULTON INTL AIRPORT | 813 | United States | Jul 1942 | Oct 2013 |
| HOULTON INTL ARPT | 186 | United States | Jan 1973 | Jan 1990 |
| HOULTON-5N | 1242 | United States | Jan 1835 | Dec 1990 |
| HOUMA | 1366 | United States | Oct 1888 | Jul 2013 |
| HOUMA TERREBONNE AP | 395 | United States | Nov 1955 | Oct 2013 |
| HOUR LAKE | 304 | Canada | May 1982 | Mar 2013 |
| HOURGLASS RESERVOIR | 298 | United States | Sep 1988 | Aug 2013 |
| HOUSE MOUNTAIN LO | 12 | Canada | May 2004 | Aug 2007 |
| HOUSEROCK ARIZONA | 227 | United States | Oct 1994 | Oct 2013 |
| HOUSTON | 706 | United States | Aug 1942 | May 2007 |
| HOUSTON | 339 | Canada | Jul 1957 | Sep 2013 |
| HOUSTON | 96 | United States | Dec 1984 | Jun 2012 |
| HOUSTON 1 NE | 988 | United States | Jan 1893 | Oct 2013 |
| HOUSTON CLOVER FLD | 185 | United States | Aug 1997 | Oct 2013 |
| HOUSTON CO | 87 | United States | Aug 2005 | Sep 2013 |
| HOUSTON ELLINGTON AFB | 251 | United States | Feb 1950 | Dec 1970 |
| HOUSTON HOOKS MEM AP | 181 | United States | Jan 1998 | Oct 2013 |
| HOUSTON INTERCONTINENTAL AP | 42 | United States | Jun 1969 | Dec 1972 |
| HOUSTON NWSO | 302 | United States | Jun 1905 | Oct 2013 |
| HOUSTON SAN JACINTO DAM | 198 | United States | May 1979 | Sep 1996 |
| HOUSTON SOUTHWEST A | 52 | United States | Jun 2009 | Oct 2013 |
| HOUSTON WB CITY | 836 | United States | Jan 1921 | Aug 1990 |
| HOUSTON, TX WILLIAM P HOBBY ARPT | 906 | United States | Apr 1938 | Oct 2013 |
| HOUSTON-PORT | 254 | United States | Feb 1991 | Jun 2013 |
| HOUSTON/D.W. HOOKS | 311 | United States | Oct 1986 | Oct 2013 |
| HOUSTON/ELLINGTON | 800 | United States | Jul 1941 | Oct 2013 |
| HOUTRIB | 196 | Netherlands | Mar 1978 | Dec 1994 |
| HOVDEN-LUNDANE | 108 | Norway | Mar 2004 | Oct 2013 |
| HOVDO HOVD | 904 | Mongolia | Sep 1936 | Oct 2013 |
| HOVEN | 12 | United States | Jun 2005 | May 2006 |
| HOVENWEEP NM | 647 | United States | Apr 1957 | Oct 2013 |
| HOVLAND | 20 | United States | Mar 1905 | Oct 1907 |
| HOVSOGOL EAST GOVI | 178 | Mongolia | Jan 1969 | Nov 1983 |
| HOVU-AKSY | 93 | Russia | Apr 1984 | Oct 2013 |
| HOWARD | 1421 | United States | Aug 1890 | Sep 2013 |
| HOWARD | 8 | Panama | Jan 1949 | Sep 1949 |
| HOWARD 5 NE | 909 | United States | Mar 1907 | Oct 2013 |
| HOWARD AFB | 27 | Canton Island | Feb 1962 | Aug 1964 |
| HOWARD CITY | 209 | United States | Nov 1915 | Feb 1935 |
| HOWARD PRAIRIE DAM | 620 | United States | Oct 1960 | Sep 2013 |
| HOWARDVILLE | 30 | United States | Jun 1920 | Jun 1955 |
| HOWE | 629 | United States | Oct 1958 | Sep 2013 |
| HOWE MILITARY SCHOOL | 558 | United States | Nov 1905 | Jul 1953 |
| HOWE SOUND | 207 | Canada | Jul 1991 | Oct 2013 |
| HOWE SOUND - PAM ROCKS, BC | 197 | Canada | Nov 1996 | Oct 2013 |
| HOWELL CANYON | 282 | United States | Jun 1989 | Oct 2013 |
| HOWELL LIVINGSTON CO AP | 220 | United States | Aug 1994 | Oct 2013 |
| HOWELL WWTP | 499 | United States | Sep 1891 | Oct 2013 |
| HOWELLS | 205 | United States | Jun 1978 | Sep 2013 |
| HOWICK | 27 | Canada | Nov 2004 | May 2007 |
| HOWSER | 140 | Canada | Sep 1912 | Sep 1927 |
| HOXIE | 1316 | United States | Oct 1897 | Oct 2013 |
| HOYDALSMO II | 82 | Norway | Dec 2006 | Oct 2013 |
| HOYLANDET-DRAG. | 8 | Norway | Jun 2001 | Jun 2002 |
| HOYT BLISSVILLE | 368 | Canada | Jan 1940 | Mar 2001 |
| HOYT CREEK OREGON | 296 | United States | Jun 1985 | Oct 2013 |
| HOYT LAKES 5 N | 299 | United States | Mar 1958 | Feb 1984 |
| HOYTVILLE 2 NE | 717 | United States | Jun 1952 | May 2012 |
| HOZAT | 283 | Turkey | Aug 1966 | Dec 1990 |
| HOZOMEEN CAMP | 127 | United States | Oct 2001 | Oct 2013 |
