PO | County | Dates | Comments |
IDAHO CITY | Boise | 1864-Date | |
IDAHO FALLS | Bonneville | 1890-Date | was EAGLE ROCK |
IDAHOME | Cassia | 1914-1942 | |
IDMON | Clark | 1919-1927 | |
ILO | Lewis | 1899-1910 | |
1911-1920 | renamed CRAIGMONT | ||
INDEPENDENCE | Madison | 1889-1905 | |
INIDAN COVE | Owyhee | 1913-1915 | |
INDIAN CREEK | Elmore | 1873-1874 | |
INDIAN VALLEY | Adams | 1873-Date | |
INDIANOLA | Lemhi | 1897-1897 | |
INKOM | Bannock | 1903-Date | |
INTERSTATE | Shoshone | 1915-1925 | |
IOLA | Bonner | 1902-1914 | renamed SAMUELS |
IONA | Bonneville | 1892-Date | |
IOWA BAR | Bonneville | 1874-1883 | |
IRON SPRINGS | Adams | 1903-1908 | |
IRWIN | Bonneville | 1897-Date | |
ISLAND | Cassia | 1882-1883 | |
1899-1916 | |||
ISLAND PARK | Fremont | 1911-1916 | |
1923-Date | |||
IVERS | Custer | 1905-1908 | |
IVY | Latah | 1902-1908 |
Contributed 2021 Oct 05 by Mark Metkin
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This page was last updated 10/14/2022