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 — METRO/24500-GREAT-FALLS

Great Falls, MT

ZIP codes
18
CBSA code
24500
Type
Metropolitan statistical area
States
MT
Population
84,606

Metro areas are defined by the Office of Management and Budget as whole counties, so every ZIP code in a member county is listed here.

Great Falls in numbers

About 84,606 people live in the Great Falls metropolitan area. The median household income is $67,690 a year (US: $80,734). The median owner-occupied home is valued at $265,300, and median gross rent is $939 a month.

Population84,606Great Falls84,606
Median household income$67,690Great Falls$67,690US $80,734
Median home value$265,300Great Falls$265,300US $332,700
Median gross rent$939Great Falls$939US $1,413

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

Its county

Counties in Great Falls, MT
CountyZIP codesPopulationMedian income
Cascade County, MT 18 84,606 $67,690

ZIP codes in Great Falls

ZIP codes in Great Falls, MT
ZIP City Type Population Median income Median home
59401 Great Falls , MT Standard 13,255 $55,299 $223,200
59402 Malmstrom Afb , MT No street area — — —
59403 Great Falls , MT No street area — — —
59404 Great Falls , MT Standard 28,822 $83,867 $295,700
59405 Great Falls , MT Standard 33,350 $59,449 $250,100
59406 Great Falls , MT No street area — — —
59412 Belt , MT Standard 1,685 $82,955 $250,700
59414 Black Eagle , MT Standard 781 $69,545 $190,400
59421 Cascade , MT Standard 2,069 $78,125 $377,900
59443 Fort Shaw , MT Standard 705 $81,221 $271,400
59463 Monarch , MT Standard 142 — $344,700
59465 Neihart , MT Standard 39 $83,000 $227,300
59472 Sand Coulee , MT Standard 507 $68,036 $235,300
59477 Simms , MT Standard 334 $42,292 $237,500
59480 Stockett , MT Standard 328 $80,714 $279,800
59483 Sun River , MT Standard 247 $97,813 $429,400
59485 Ulm , MT Standard 772 $90,286 $321,600
59487 Vaughn , MT Standard 1,548 $56,359 $229,300

Cite this page

zipcodes.pro. “Great Falls, MT.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/metro/24500-great-falls

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