Plain

County ZIP codes · Montana · FIPS 30055

McCone County, MT ZIP Codes

McCone County, Montana has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in McCone County and 2 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $45,379 in 59255 (Poplar) to $86,000 in 59215 (Circle) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of McCone County?

59201 · Wolf Point: $53k59214 · Brockway: –59215 · Circle: $86k59223 · Fort Peck: –59255 · Poplar: $45k59274 · Vida: $35k59201592155921459255592235927459201 · Wolf Point: $53k59214 · Brockway: –59215 · Circle: $86k59223 · Fort Peck: –59255 · Poplar: $45k59274 · Vida: $35k59201592155921459255592235927459201 · Wolf Point: $53k59214 · Brockway: –59215 · Circle: $86k59223 · Fort Peck: –59255 · Poplar: $45k59274 · Vida: $35k592015921559214592555922359274
The residential ZIP codes of McCone 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 6 postal town names: Wolf Point, Poplar, Circle, Vida, Brockway, Fort Peck.

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

All 6 residential ZIP codes in McCone County

4 ZIP codes lie mainly in McCone County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in McCone County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
59215 Circle 1,015 1 $86k $216k 91%
59274 Vida 297 1 $35k $115k 100%
59214 Brockway 46 0 – $300k 84%
59223 Fort Peck 19 0 – $446k 91%

Partly in McCone County

Residential ZIP codes mainly in another county that reach at least 1% into McCone County, by their share here
In this county
59201 Wolf Point 5,073 4 $53k $127k 38%
59255 Poplar 3,083 4 $45k $92k 3%

Download the 6 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?

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

Share of each ZIP code's land in McCone County and in the neighboring counties
ZIPIn McConeElsewhere
5920138%Roosevelt County54%; Valley County8%
592553%Roosevelt County78%; Richland County19%
5921591%Dawson County9%
5921484%Prairie County11%; Garfield County5%
5922391%Garfield County8%

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

Which first three digits do McCone 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 McCone County starts with 592.

Three-digit prefixes of McCone 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 McCone County's
PrefixSectional centerHereAll codes
592Billings, MT (SCF 590)641

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