IDAHO
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A Checklist of Idaho Post Offices 1862-1988 by Richard W. Helbock (1989) is the most complete catalog of Idaho Post Offices that has been published to date. The checklist data also appears as the Idaho portion of United States Post Offices Volume I - The West by Richard W. Helbock (1998). Some of the data is out of date. A listing of corrections and updates to the data follows.
| PO, County | Dates | SI | Notes |
| ATLANTA, Elmore | 1870/1995 | 1 | correct Dates and change SI |
| BERN, Bear Lake | 1901-1988 | 1 | correct Dates and change SI |
| BIG WILLOW, Payette | 1907-1916 | 4 | correct County |
| BLACK ROCK - delete erroneous entry - see BLACKROCK | |||
| BLACKROCK, Kootenai | 1909-1913 | 5 | add new entry |
| CALLANDER - delete erroneous entry - see CALLENDER | |||
| CALLENDER, Idaho | 1900-1904 | 6 | add new entry |
| CANYON CREEK, Madison | 1909-1923 | 4 | correct Dates |
| CENTER, Valley | 1889-1910 | 4 | correct County |
| postmarks read CENTRE as well as CENTER | |||
| CENTERVILLE, Boise | 1893/1952 | 1 | correct Dates |
| CENTREVILLE, Boise | |||
| postmarks read CENTERVILLE as well as CENTREVILLE | |||
| CLARKIA, Shoshone | 1894-1996 | 1 | correct Dates and change SI |
| CLEAR LAKE - delete erroneous entry - see CLEARLAKE | |||
| CLEARLAKE, Gooding | 1905-1918 | 4 | add new entry |
| CLEARWATER, Idaho | 1895-1984 | 1 | correct Dates |
| COBALT, Lemhi | 1951-1986 | 1 | correct Dates |
| designated address place only 1986 and administratively discontinued 1988 | |||
| CONDA, Caribou | 1921-1985 | 1 | correct Dates |
| COPPDALE, Jerome | 1909-1911 | 6 | add new entry |
| COPPERDALE - delete erroneous entry - see COPPDALE | |||
| CUSTER, Custer | 1880/1939 | 3 | correct Dates |
| DESKE - delete erroneous entry - see DRAKE | |||
| DINGLE, Bear Lake | 1890-1992 | 1 | correct Dates and change SI |
| DONIPHAN, Blaine | 1886-1905 | 5 | correct Dates |
| EILEEN, Boundary | 1912-1914 | 6 | correct County |
| ELBA, Cassia | 1883-1996 | 1 | correct Dates and change SI |
| service suspended 1996 and administratively discontinued 1998 | |||
| ELLIS, Lemhi | 1899/1918 | 5 | add new entry |
| ESMERALDA, Elmore | |||
| POD records show ESMERALDA but period postmarks read ROCKY BAR | |||
| FELT, Teton | 1913-1985 | 1 | correct Dates |
| designated address place only 1985 and administratively discontinued 1986 | |||
| FIR GROVE, Kootenai | 1909-1910 | 7 | correct Dates |
| FLORENCE CITY, Idaho | |||
| postmarks read FLORENCE as well as FLORENCE CITY | |||
| FOX, Teton | 1892-1895 | 7 | correct Dates |
| FRENCH RANCH, Idaho | 1867-1869 | 9 | correct County |
| FRITZ, Camas | 1901-1903 | 7 | correct County |
| FRUITVALE, Adams | 1909-1996 | 1 | correct Dates and change SI |
| service suspended 1996 and administratively discontinued 2002 | |||
| GIBBONSVILLE, Lemhi | 1878-1999 | 1 | correct Dates and change SI |
| GOLDBURG, Custer | 1890-1942 | 2 | correct Dates |
| GRIMES PASS, Boise | 1913-1942 | 2 | correct Dates |
| HANGMANS CREEK - delete erroneous entry - PO was never in Idaho | |||
| HANNA, Gem | 1909-1912 | 5 | correct County |
| HARRIMAN, Gooding | 1909-1912 | 6 | correct County |
| HEADQUARTERS, Clearwater | 1928-1993 | 1 | correct Dates and change SI |
| service suspended 1993 and administratively discontinued 1994 | |||
| HIGH, Valley | 1891-1892 | 7 | correct County |
| HIGHLAND, Ada | 1898-1904 | 6 | add new entry |
| HIGHLAND, Boise | 1904-1907 | 6 | correct Dates |
| HILL CITY, Camas | 1912-1998 | 1 | correct Dates and change SI |
| service suspended 1998 and administratively discontinued 2004 | |||
| HOLBROOK, Oneida | 1901-1985 | 1 | correct Dates |
| HORSESHOE BEND, Boise | 1968-Date | 0 | correct Dates and change SI |
| HUMPHREY'S, Camas | 1887-1896 | 6 | correct PO name |
| KING HILL, Elmore | 1908-1992 | 1 | correct Dates and change SI |
| LAKE FORK, Valley | 1934-1984 | 1 | correct Dates |
| LETHA, Gem | 1911-1996 | 1 | correct Dates and change SI |
| LITTLEFIELD, Shoshone | 1884-1889 | 7 | correct Dates |
| LYON, Bonneville | 1900-1909 | 5 | correct County |
| MACKS INN, Fremont | 1930-1988 | 1 | correct Dates and change SI |
| MAPLETON, Franklin | 1898-1907 | 6 | correct County |
| MISSION CREEK - delete erroneous entry - see NEWSOM CREEK | |||
| MORAVIA, Boundary | 1903/1943 | 2 | correct Dates |
| MYRTLE, Shoshone | 1885-1890 | 7 | correct Dates |
| NEWSOM CREEK, Idaho | 1871/1875 | 8 | add new entry |
| OVID, Bear Lake | 1871-1991 | 1 | correct Dates and change SI |
| service suspended 1991 and administratively discontinued 1996 | |||
| PALISADES, Bonneville | 1952-1993 | 1 | correct Dates and change SI |
| service suspended 1993 and administratively discontinued 1996 | |||
| PALOUSE BRIDGE, Latah | 1873-1877 | 8 | add new entry |
| PEN D'OREILLE, Kootenai | 1867/1875 | 8 | correct County |
| PICABO, Blaine | 1900-1987 | 1 | correct Dates |
| PINEDALE, Valley | 1896-1897 | 7 | correct County |
| PIONEERVILLE, Boise | |||
| postmarks read PIONEER as well as PIONEERVILLE | |||
| PLAINS, Camas | 1908/1915 | 4 | correct Dates |
| POWELL, Butte | 1896/1912 | 6 | correct County |
| PRAIRIE, Elmore | 1909-1954 | 1 | correct County |
| REUBENS, Lewis | 1908-1986 | 1 | correct Dates |
| RICE, Fremont | 1899-1913 | 4 | add new entry |
| RISE - delete erroneous entry - see RICE | |||
| ROOSEVELT, Valley | 1902-1915 | 4 | correct Dates and change SI |
| ROSA, Bonneville | 1896-1910 | 5 | correct County |
| SEBESTA, Benewah | 1915-1925 | 4 | correct Dates and change SI |
| SENEAQUOTEEN, Bonner | |||
| POD records show SENEAQUOTEEN but period postmarks read SENEAGUOTEEN | |||
| SHEIK, Lemhi | 1923-1927 | 5 | correct County |
| SHOSHONE, Jerome | 1870-1871 | 9 | add new entry |
| SHOSHONE, Lincoln | 1883-Date | 0 | correct Dates |
| SMOKY, Blaine | 1882/1888 | 8 | correct County |
| SPALDING, Nez Perce | 1897-1997 | 1 | correct Dates and change SI |
| service suspended 1997 and administratively discontinued 2002 | |||
| STEUNENBERG, Idaho | |||
| POD records show STEUNENBERG but period postmarks read STEUNENBURG | |||
| STONE, Oneida | 1895-1985 | 1 | correct Dates |
| SUN VALLEY, Blaine | 1937/Date | 0 | correct Dates |
| TERMINUS, various | 1878-1880 | 6 | correct County and Dates |
| PO moved as Utah and Northern Railroad construction progressed | |||
| TERMINUS, various | 1882-1883 | 8 | add new entry |
| PO moved as Oregon Short Line Railroad construction progressed | |||
| THUNDERBOLT, Valley | 1905-1906 | 7 | correct County |
| TURNER, Caribou | 1900/1929 | 3 | correct County |
| TWIN SPRINGS, Boise | 1937-1953 | 2 | add new entry |
| TWINSPRINGS, Boise | |||
| postmarks read TWIN SPRINGS as well as TWINSPRINGS | |||
| TWINZ - delete erroneous entry - see TWIN SPRINGS | |||
| VICTOR, Teton | 1895-Date | 0 | correct Dates |
| VIOLA, Latah | 1883/Date | 0 | correct Dates |
| service suspended 1998 but continued 2001 | |||
| WAY, Caribou | 1910/1921 | 4 | correct County |
| WAYAN, Caribou | 1894-1988 | 1 | correct Dates |
| WILBERT, Butte | 1914-1915 | 7 | correct County |
Contributed 2021 Oct 05 by Mark Metkin
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This page was last updated 10/14/2022