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 — STATE/MT/COUNTY/TETON

Teton County, MT ZIP codes

Teton County, MT has 6 ZIP codes, in 6 towns: 59422, 59436, 59468, 59433, 59419 and 59467.

The county seat is Choteau.

ZIP codes
6
Towns
6
County seat
Choteau
County FIPS
30099
State
Montana
Population
6,353
Median household income
$70,430
Land area
2,272 sq mi

Teton County ZIP codes by town

Choteau (county seat)
59422

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Teton County ZIP codes

594195942259433594365946759468

The ZIP codes of Teton County, 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.

Teton County in numbers

About 6,353 people live in Teton County, in 2,469 households, the 32nd most populous of Montana's 56 counties. The median household income is $70,430 a year, about the same as the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $264,000 (30% below the Montana median), and median gross rent is $730 a month. The median age is 42.3; 26.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 22 minutes.

Population6,353Teton6,353
Households2,469Teton2,469
Median age42.3Teton42.3Montana40.4US 38.9
Median household income$70,430Teton$70,430Montana$72,509US $80,734
Median home value$264,000Teton$264,000Montana$375,800US $332,700
Median gross rent$730Teton$730Montana$1,081US $1,413
Bachelor's degree or higher26.8%Teton26.8%Montana35.2%US 35.7%
Mean commute21.8 minTeton21.8 minMontana19.1 minUS 26.4 min
Population density3 / sq miTeton3 / sq mi

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.

Largest towns in Teton County

Largest towns in Teton County
TownZIP codesPopulation
Choteau 1 1,479
Fairfield 1 759
Dutton 1 268
Power 1 217
Bynum 1 15
Pendroy 1 13

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Teton County.

Not sure you are in Teton County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Teton County, with figures

ZIP codes in Teton County
ZIP City Type Population Median income Median home
59419 Bynum , MT Standard 44 $45,625 $275,000
59422 Choteau , MT Standard 2,938 $67,500 $256,500
59433 Dutton , MT Standard 421 $66,000 $161,100
59436 Fairfield , MT Standard 2,039 $80,652 $324,100
59467 Pendroy , MT Standard 124 $61,250 —
59468 Power , MT Standard 858 $82,895 $239,800

Cite this page

zipcodes.pro. “Teton County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mt/county/teton

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