Plain

County ZIP codes · Montana · FIPS 30045

Judith Basin County, MT ZIP Codes

Judith Basin 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 Judith Basin County and 6 mainly in a neighboring county; 8 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Judith Basin County?

59412 · Belt: $83k59418 · Buffalo: –59424 · Coffee Creek: $79k59430 · Denton: $77k59447 · Geyser: $78k59452 · Hobson: $55k59453 · Judith Gap: $59k59462 · Moccasin: $51k59463 · Monarch: –59464 · Moore: $57k59469 · Raynesford: $80k59479 · Stanford: $49k59479594305945259447594125945359464594635941859462594245946959412 · Belt: $83k59418 · Buffalo: –59424 · Coffee Creek: $79k59430 · Denton: $77k59447 · Geyser: $78k59452 · Hobson: $55k59453 · Judith Gap: $59k59462 · Moccasin: $51k59463 · Monarch: –59464 · Moore: $57k59469 · Raynesford: $80k59479 · Stanford: $49k59479594305945259447594125945359464594635941859462594245946959412 · Belt: $83k59418 · Buffalo: –59424 · Coffee Creek: $79k59430 · Denton: $77k59447 · Geyser: $78k59452 · Hobson: $55k59453 · Judith Gap: $59k59462 · Moccasin: $51k59463 · Monarch: –59464 · Moore: $57k59469 · Raynesford: $80k59479 · Stanford: $49k59479594305945259447594125945359464594635946259424
The residential ZIP codes of Judith Basin 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).

All 12 residential ZIP codes in Judith Basin County

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

Residential ZIP codes mainly in Judith Basin County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
59479 Stanford 746 1 $49k $230k 100%
59452 Hobson 599 2 $55k $224k 100%
59447 Geyser 297 1 $78k $319k 97%
59469 Raynesford 160 1 $80k $390k 100%
59418 Buffalo 142 1 – – 77%
59462 Moccasin 122 1 $51k $229k 100%

Partly in Judith Basin County

Residential ZIP codes mainly in another county that reach at least 1% into Judith Basin County, by their share here
In this county
59424 Coffee Creek 103 1 $79k $294k 33%
59463 Monarch 142 1 – $345k 6%
59464 Moore 597 2 $57k $264k 5%
59430 Denton 448 1 $77k $211k 5%
59453 Judith Gap 331 1 $59k $170k 5%
59412 Belt 1,685 4 $83k $251k 3%

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?

8 ZIP codes of Judith Basin County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Judith Basin County and in the neighboring counties
ZIPIn Judith BasinElsewhere
594123%Cascade County97%
594645%Fergus County95%
594305%Fergus County95%
594535%Wheatland County77%; Fergus County19%
5944797%Chouteau County3%
5941877%Fergus County23%
594636%Cascade County94%
5942433%Fergus County67%

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

Which first three digits do Judith Basin 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 Judith Basin County starts with 594.

Three-digit prefixes of Judith Basin 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 Judith Basin County's
PrefixSectional centerHereAll codes
594Great Falls, MT (SCF 594)1264

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