Flathead County Montana is covered by a total of 20 ZIP Codes. There are 5 ZIP Codes in Flathead County that extend into adjacent counties (Glacier County, Lake County, Lincoln County, Pondera County, and Sanders County). Of the ZIP codes within or partially within Flathead County there are 13 Standard ZIP Codes and 7 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Flathead County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Hot Springs | Standard | |||
| Kalispell | Standard | |||
| Kalispell | PO Box | |||
| Kalispell | PO Box | |||
| Bigfork | Standard | |||
| Columbia Falls | Standard | |||
| Coram | PO Box | |||
| Essex | Standard | |||
| Eureka | Standard | |||
| Hungry Horse | PO Box | |||
| Kila | Standard | |||
| Lake Mc Donald | PO Box | |||
| Lakeside | Standard | |||
| Marion | Standard | |||
| Martin City | Standard | |||
| Olney | PO Box | |||
| Polebridge | Standard | |||
| Somers | Standard | |||
| West Glacier | PO Box | |||
| Whitefish | Standard |