Flathead County Post Offices

65 1st St E
Columbia Falls, Montana 59912

248 1st Ave W
Kalispell, Montana 59901

350 N Meridian Rd
Kalispell, Montana 59901

345 Kila Rd
Kila, Montana 59920

7196 Us Highway 93
Lakeside, Montana 59922

365 Pleasant Valley Rd
Marion, Montana 59925

1 Olney Loop Rd
Olney, Montana 59927

150 Somers Rd
Somers, Montana 59932

110 Going to The Sun Rd
West Glacier, Montana 59936

424 Baker Ave
Whitefish, Montana 59937

Flathead County

There are 10 US Post Offices in Flathead County serving a total of 133,379 residents equating to 13,338 residents per post office. It's estimated that approximately 212,888 packages are handled across the 10 county post offices annually. Flathead County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 90,928, making it the fourth-most populous county in Montana. Its county seat is Kalispell. The numerical designation for Flathead County (used in the issuance of license plates) is 7. It is south from the Canada\u2013US border of British Columbia. Flathead County comprises the Kalispell, Montana Micropolitan Statistical Area."