Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/MT/KALISPELL

Kalispell ZIP codes, Montana

Kalispell, MT has 3 ZIP codes (59901, 59903 and 59904) and area code 406. The largest is 59901.

USPS city name
3 ZIP codes
Population
28,504
Area code
406
State
Montana

Kalispell in numbers

About 28,504 people live in Kalispell, in 11,795 households, the 7th-largest of Montana's 475 census places. The median household income is $63,415 a year, 13% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $428,000 (14% above the Montana median), and median gross rent is $1,078 a month. The median age is 36.2; 34.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 15 minutes.

Population28,504Kalispell28,504
Households11,795Kalispell11,795
Median age36.2Kalispell36.2Montana40.4US 38.9
Median household income$63,415Kalispell$63,415Montana$72,509US $80,734
Median home value$428,000Kalispell$428,000Montana$375,800US $332,700
Median gross rent$1,078Kalispell$1,078Montana$1,081US $1,413
Bachelor's degree or higher34.8%Kalispell34.8%Montana35.2%US 35.7%
Mean commute14.9 minKalispell14.9 minMontana19.1 minUS 26.4 min
Population density2,208 / sq miKalispell2,208 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Kalispell city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Kalispell

ZIP codes with the USPS city name Kalispell
ZIP City Type Population Median income Median home
59901 Kalispell , MT Standard 63,161 $72,523 $476,300
59903 Kalispell , MT No street area — — —
59904 Kalispell , MT No street area — — —

Map of Kalispell ZIP codes

599015990359904

The ZIP codes of Kalispell, MT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Kalispell

The nearest larger town is Missoula (76,514 people, 94 mi).

Towns near Kalispell
TownPopulationDistance
Evergreen 9,611 2.7 mi
Columbia Falls 5,615 12.4 mi
Whitefish 8,749 15.4 mi
Bigfork 5,565 15.5 mi

More nearby: every ZIP code in Flathead County · Montana ZIP codes

Cite this page

zipcodes.pro. “Kalispell, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/kalispell

Underlying data is public domain or openly licensed — sources, vintages and licences.