59903 ZIP Code — Kalispell, MT
Flathead County, Montana
ZIP code 59903 is located in Kalispell, Montana, within Flathead County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.
0
population
0.00
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
59903 ZIP code map
Cities in ZIP code 59903
Below are the cities the US Postal Service accepts for ZIP code 59903. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Kalispell | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 30 |
| County FIPS | 029 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 48.1956 |
| Longitude | -114.3117 |
| Timezone | Mountain (MT) |
| Area code | 406 |