Idaho Post Offices - Bonneville County
Retrieved from Idaho Postal History by Mark Metkin
| PO | Dates | Comments |
| AKO | 1900-1905 | was ELVA |
| ALPINE | 1910-1918 | in Idaho |
| 1918-1934 | in Wyoming | |
| 1936-1940 | in Idaho | |
| 1940-1942 | in Wyoming | |
| 1942-1956 | in Idaho | |
| 1956-1959 | in Wyoming | |
| AMMON | 1898-1906 | |
| ANTELOPE | 1914-1925 | |
| BARA | 1921-1923 | |
| BLOWOUT | 1908-1920 | |
| BONE | 1917-1950 | |
| CARIBOO | 1883-1898 | |
| CHOKECHERRY | 1920-1940 | |
| COLTMAN | 1896-1906 | |
| DEHLIN | 1917-1921 | |
| 1922-1925 | ||
| EAGLE ROCK | 1866-1868 | renamed MARKET LAKE (see Jefferson County) |
| 1869-1890 | renamed IDAHO FALLS | |
| ELVA | 1898-1900 | renamed AKO |
| GLEN | 1905-1916 | |
| GRAY | 1892-1960 | was GRAY'S |
| GRAY'S | 1888-1892 | renamed GRAY |
| GUYAZ | 1920-1937 | |
| HERMAN | 1901-1919 | renamed TWIN PINES |
| IDAHO FALLS | 1890-Date | was EAGLE ROCK |
| county seat | ||
| IONA | 1892-Date | |
| IOWA BAR | 1874-1883 | |
| IRWIN | 1897-Date | |
| KEENAN CITY | 1874-1875 | |
| LEORIN | 1892-1910 | |
| LYON | 1900-1909 | |
| OZONE | 1911-1925 | |
| PALISADES | 1952-1993 | |
| PAYNE | 1903-1909 | |
| PENDLETON | 1887-1888 | |
| POPLAR | 1894-1910 | |
| PROSPECT | 1894-1906 | |
| ROSA | 1896-1910 | |
| SWAN VALLEY | 1917-Date | |
| TWIN PINES | 1919-1922 | was HERMAN |
| UCON | 1910-Date |
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