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/GREAT-FALLS

Great Falls ZIP codes, Montana

Great Falls, MT has 5 ZIP codes (59405, 59404, 59401, 59403 and 59406) and area code 406. The largest is 59405.

USPS city name
5 ZIP codes
Overlapping the city
1 more
Population
60,329
Area code
406
State
Montana

Mail addressed to Great Falls uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Great Falls in numbers

About 60,329 people live in Great Falls, in 26,379 households, the 3rd-largest of Montana's 475 census places. The median household income is $63,373 a year, 13% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $257,000 (32% below the Montana median), and median gross rent is $900 a month. The median age is 39.0; 27.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 15 minutes.

Population60,329Great Falls60,329
Households26,379Great Falls26,379
Median age39.0Great Falls39.0Montana40.4US 38.9
Median household income$63,373Great Falls$63,373Montana$72,509US $80,734
Median home value$257,000Great Falls$257,000Montana$375,800US $332,700
Median gross rent$900Great Falls$900Montana$1,081US $1,413
Bachelor's degree or higher27.8%Great Falls27.8%Montana35.2%US 35.7%
Mean commute14.9 minGreat Falls14.9 minMontana19.1 minUS 26.4 min
Population density2,608 / sq miGreat Falls2,608 / sq mi

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

ZIP codes addressed as Great Falls

ZIP codes with the USPS city name Great Falls
ZIP City Type Population Median income Median home
59405 Great Falls , MT Standard 33,350 $59,449 $250,100
59404 Great Falls , MT Standard 28,822 $83,867 $295,700
59401 Great Falls , MT Standard 13,255 $55,299 $223,200
59403 Great Falls , MT No street area — — —
59406 Great Falls , MT No street area — — —

Other ZIP codes overlapping Great Falls

These ZIP codes cover part of Great Falls but are addressed as somewhere else.

ZIP codes overlapping Great Falls
ZIP City Type Population Median income Median home
59414 Black Eagle , MT Standard 781 $69,545 $190,400

Map of Great Falls ZIP codes

5940559404594015940359406

The ZIP codes of Great 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 Great Falls

Towns near Great Falls
TownPopulationDistance
Malmstrom AFB 4,302 5.5 mi

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

Cite this page

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

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