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County ZIP codes · Montana · FIPS 30099

Teton County, MT ZIP Codes

Teton County, Montana has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Teton County and 6 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $49,805 in 59425 (Conrad) to $80,652 in 59436 (Fairfield) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Teton County?

59410 · Augusta: $42k59416 · Brady: $89k59419 · Bynum: $46k59422 · Choteau: $68k59425 · Conrad: $50k59432 · Dupuyer: $74k59433 · Dutton: $66k59436 · Fairfield: $81k59443 · Fort Shaw: $81k59467 · Pendroy: $61k59468 · Power: $83k59487 · Vaughn: $56k59410594225942559416594365946859432594335941959467594435948759410 · Augusta: $42k59416 · Brady: $89k59419 · Bynum: $46k59422 · Choteau: $68k59425 · Conrad: $50k59432 · Dupuyer: $74k59433 · Dutton: $66k59436 · Fairfield: $81k59443 · Fort Shaw: $81k59467 · Pendroy: $61k59468 · Power: $83k59487 · Vaughn: $56k59410594225942559416594365946859432594335941959467594435948759410 · Augusta: $42k59416 · Brady: $89k59419 · Bynum: $46k59422 · Choteau: $68k59425 · Conrad: $50k59432 · Dupuyer: $74k59433 · Dutton: $66k59436 · Fairfield: $81k59443 · Fort Shaw: $81k59467 · Pendroy: $61k59468 · Power: $83k59487 · Vaughn: $56k594105942259425594165943659468594325943359419
The residential ZIP codes of Teton County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 12 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 12 residential ZIP codes in Teton County

6 ZIP codes lie mainly in Teton County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Teton County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
59422 Choteau 2,938 2 $68k $257k 100%
59436 Fairfield 2,039 8 $81k $324k 100%
59468 Power 858 3 $83k $240k 71%
59433 Dutton 421 1 $66k $161k 100%
59467 Pendroy 124 1 $61k – 100%
59419 Bynum 44 0 $46k $275k 100%

Partly in Teton County

Residential ZIP codes mainly in another county that reach at least 1% into Teton County, by their share here
In this county
59432 Dupuyer 170 1 $74k $250k 27%
59425 Conrad 3,717 7 $50k $220k 9%
59487 Vaughn 1,548 28 $56k $229k 8%
59443 Fort Shaw 705 12 $81k $271k 7%
59410 Augusta 520 0 $42k $259k 2%
59416 Brady 425 1 $89k $163k 2%

Download the 12 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

7 ZIP codes of Teton County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Teton County and in the neighboring counties
ZIPIn TetonElsewhere
594259%Pondera County 91%
594878%Cascade County 92%
5946871%Cascade County 29%
594437%Cascade County 93%
594102%Lewis and Clark County 98%
594162%Pondera County 56%; Chouteau County 41%; Liberty County 1%
5943227%Pondera County 73%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Teton County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Teton County starts with 594.

Three-digit prefixes of Teton County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Teton County's
PrefixSectional centerHereAll codes
594 Great Falls, MT (SCF 594) 12 64

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.