ZIP code · Kalispell · Montana · United States
ZIP code 59904 — Kalispell
ZIP code 59904 serves Kalispell, Montana.
- Postal code
- 59904Single source Value from one source, not cross-checked.
- City
- Kalispell
- County
- Flathead
- State
- Montana
- Country
- United States
- Coordinates
- 48.2404, -114.2561 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 406Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 59904 with another ZIP · ZIPs within 25 miles · distance from 59904
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 16°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 36 | 45 | 55 | 65 | 71 | 82 | 82 | 70 | 54 | 39 | 31 |
| Avg low °F | 16 | 18 | 24 | 31 | 38 | 44 | 48 | 46 | 38 | 29 | 24 | 17 |
| Precip in | 1.4 | 1.0 | 1.1 | 1.3 | 1.8 | 2.8 | 1.1 | 0.8 | 1.2 | 1.4 | 1.4 | 1.5 |
NOAA 1991–2020 climate normals from the nearest station: KALISPELL GLACIER AP (4.4 mi) · NOAA NCEI
About this page
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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page