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/COLUMBIA-FALLS

Columbia Falls ZIP code, Montana

The ZIP code for Columbia Falls, MT is 59912, and its area code is 406.

USPS city name
1 ZIP code
Population
5,615
Area code
406
State
Montana

Columbia Falls in numbers

About 5,615 people live in Columbia Falls, in 2,209 households, the 22nd-largest of Montana's 475 census places. The median household income is $75,766 a year, 4% above the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $384,400 (about the same as the Montana median), and median gross rent is $1,016 a month. The median age is 36.6; 32.1% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 20 minutes.

Population5,615Columbia Falls5,615
Households2,209Columbia Falls2,209
Median age36.6Columbia Falls36.6Montana40.4US 38.9
Median household income$75,766Columbia Falls$75,766Montana$72,509US $80,734
Median home value$384,400Columbia Falls$384,400Montana$375,800US $332,700
Median gross rent$1,016Columbia Falls$1,016Montana$1,081US $1,413
Bachelor's degree or higher32.1%Columbia Falls32.1%Montana35.2%US 35.7%
Mean commute19.8 minColumbia Falls19.8 minMontana19.1 minUS 26.4 min
Population density2,461 / sq miColumbia Falls2,461 / sq mi

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

ZIP codes addressed as Columbia Falls

ZIP codes with the USPS city name Columbia Falls
ZIP City Type Population Median income Median home
59912 Columbia Falls , MT Standard 15,752 $76,617 $488,800

Map of Columbia Falls ZIP codes

59912

The ZIP codes of Columbia Falls, 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 Columbia Falls

The nearest larger towns are Whitefish (8,749 people, 8.5 mi), Evergreen (9,611 people, 11 mi) and Kalispell (28,504 people, 12 mi).

Towns near Columbia Falls
TownPopulationDistance
Whitefish 8,749 8.5 mi
Evergreen 9,611 10.5 mi
Kalispell 28,504 12.4 mi
Bigfork 5,565 20.8 mi

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

Cite this page

zipcodes.pro. “Columbia Falls, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/columbia-falls

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