Idaho Railway Post Offices - Northern Pacific Main Line


Routes on the Northern Pacific Main Line crossing northern Idaho:
RPODatesComments
PEND D'OREILLE & WALLULA1882-1883
PEND D'OREILLE & WALLULA and WALLA WALLA & PORTLAND merged into HELENA & PORTLAND
HELENA & PORTLAND1883-1883
HELENA & PORTLAND divided into HELENA & SPOKANE FALLS plus SPOKANE FALLS & PORTLAND
HELENA & SPOKANE FALLS1883-1884
HELENA & SPOKANE FALLS plus SPOKANE FALLS & PORTLAND redivided into HELENA & HERON plus HERON & WALLULA plus WALLULA & PORTLAND
HERON & WALLULA1884-1885
HELENA & HERON plus HERON & WALLULA plus WALLULA & PORTLAND combined back into HELENA & PORTLAND
HELENA & PORTLAND1885-1888route changed 1887
then ED/WD at SPOKANE FALLS
route merged with PASCO & CLE ELUM plus TACOMA & PORTLAND and changed from via THE DALLES to via TACOMA
MANDAN & HELENA plus HELENA & PORTLAND (via TACOMA) redivided into MANDAN & SPOKANE FALLS plus SPOKANE FALLS & PORTLAND
MANDAN & SPOKANE FALLS1888-1889ED/MD at FORSYTH
MD/WD at HELENA
SAINT PAUL & MANDAN plus MANDAN & SPOKANE FALLS redivided into SAINT PAUL & HELENA plus HELENA & SPOKANE FALLS
HELENA & SPOKANE FALLS1889-1891
HELENA & SPOKANE1891-1899
SAINT PAUL & HELENA plus HELENA & SPOKANE combined into SAINT PAUL & SPOKANE
SAINT PAUL & SPOKANE1899-19091D/2D at JAMESTOWN
2D/3D at MILES CITY
3D/4D at HELENA
SAINT PAUL & SPOKANE divided into SAINT PAUL & MILES CITY plus MILES CITY & SPOKANE
MILES CITY & SPOKANE1909-1934ED/WD at HELENA
MILES CITY & SPOKANE plus SPOKANE PASCO & SEATTLE combined into MILES CITY & SEATTLE
MILES CITY & SEATTLE1934-1967ED/MD at HELENA or BUTTE
MD/WD at SPOKANE


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Compiled by Mark Metkin - Revised November 12, 2007


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