City · Montana · United States

Kalispell, MT — ZIP codes

3 ZIP codes · Flathead County

City: Kalispell
County: Flathead
State: Montana
Country: United States
Postal codes: 599015990359904
Single source
Coordinates: 48.2028, -114.3039 View on OpenStreetMap

ZIP codes (3)

Postal code	Place name	Verification
59901	Kalispell	Single source
59903	Kalispell	Single source
59904	Kalispell	Single source

Sources and verification

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Last generated : 2026-08-21. Report an error.