ZIP Code 59903 is located in Kalispell Montana. 59903 is entirely within Flathead County. Regionally, 59903 is located in the Missoula Area.
| ZIP Code Name | Kalispell |
| Primary County | Flathead County |
| ZIP Code Type | PO Box |
| Current Time | MST |
| Coordinates | 48.22451019,-114.27664185 |
| Adjacent ZIP Codes | |
| Region | Missoula Area |
| Metropolitan/Micropolitan Stat Area | Kalispell, MT |
| Time Zone | Mountain Standard Time |
| IANA Timezone | America/Denver |