Flathead County ZIP codes

Every ZIP code in Flathead County, Montana, with the city it serves. Open any one for a free neighborhood report.

17 ZIP codes · Flathead County, MT · FIPS 30029

ZIP codes

17 in this county

59901Kalispell 59903KalispellPO box 59904KalispellPO box 59911Bigfork 59912Columbia Falls 59913Coram 59916Essex 59919Hungry Horse 59920Kila 59922Lakeside 59925Marion 59926Martin City 59927Olney 59928Polebridge 59932Somers 59936West Glacier 59937Whitefish

2 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.