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County ZIP codes · Montana · FIPS 30059

Meagher County, MT ZIP Codes

Meagher County, Montana has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Meagher County and 1 mainly in a neighboring county; 3 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Meagher County?

59053 · Martinsdale: $44k59086 · Wilsall: $69k59642 · Ringling: $46k59645 · White Sulphur Springs: $77k5964559086590535964259053 · Martinsdale: $44k59086 · Wilsall: $69k59642 · Ringling: $46k59645 · White Sulphur Springs: $77k5964559086590535964259053 · Martinsdale: $44k59086 · Wilsall: $69k59642 · Ringling: $46k59645 · White Sulphur Springs: $77k59645590865905359642
The residential ZIP codes of Meagher 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 4 residential ZIP codes in Meagher County

3 ZIP codes lie mainly in Meagher County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Meagher County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
59645 White Sulphur Springs 1,611 1 $77k $288k 99%
59053 Martinsdale 412 1 $44k $187k 97%
59642 Ringling 35 0 $46k – 100%

Partly in Meagher County

Residential ZIP codes mainly in another county that reach at least 1% into Meagher County, by their share here
In this county
59086 Wilsall 792 1 $69k $393k 2%

Download the 4 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?

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

Share of each ZIP code's land in Meagher County and in the neighboring counties
ZIPIn MeagherElsewhere
5964599%Broadwater County1%
590862%Park County66%; Gallatin County31%
5905397%Wheatland County3%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Meagher County's ZIP codes use 2 prefixes: 590 and 596.

Three-digit prefixes of Meagher 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 Meagher County's
PrefixSectional centerHereAll codes
590Billings, MT (SCF 590)275
596Great Falls, MT (SCF 594)224

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