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County ZIP codes · Montana · FIPS 30085

Roosevelt County, MT ZIP Codes

Roosevelt County, Montana has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Roosevelt County and 4 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $45,379 in 59255 (Poplar) to $53,875 in 59263 (Scobey) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Roosevelt County?

59201 · Wolf Point: $53k59212 · Bainville: $94k59213 · Brockton: $63k59218 · Culbertson: $99k59222 · Flaxville: –59226 · Froid: $66k59242 · Homestead: $129k59255 · Poplar: $45k59258 · Reserve: $149k59263 · Scobey: $54k5920159263592555921859213592265925859222592125924259201 · Wolf Point: $53k59212 · Bainville: $94k59213 · Brockton: $63k59218 · Culbertson: $99k59222 · Flaxville: –59226 · Froid: $66k59242 · Homestead: $129k59255 · Poplar: $45k59258 · Reserve: $149k59263 · Scobey: $54k5920159263592555921859213592265925859222592125924259201 · Wolf Point: $53k59212 · Bainville: $94k59213 · Brockton: $63k59218 · Culbertson: $99k59222 · Flaxville: –59226 · Froid: $66k59242 · Homestead: $129k59255 · Poplar: $45k59258 · Reserve: $149k59263 · Scobey: $54k59201592635925559218592135922659258592225921259242
The residential ZIP codes of Roosevelt 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 10 postal town names.

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

All 10 residential ZIP codes in Roosevelt County

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

Residential ZIP codes mainly in Roosevelt County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
59201 Wolf Point 5,073 4 $53k $127k 54%
59255 Poplar 3,083 4 $45k $92k 78%
59218 Culbertson 898 2 $99k $248k 50%
59213 Brockton 758 2 $63k $85k 56%
59226 Froid 644 2 $66k $180k 87%
59212 Bainville 603 2 $94k $405k 100%

Partly in Roosevelt County

Residential ZIP codes mainly in another county that reach at least 1% into Roosevelt County, by their share here
In this county
59242 Homestead 55 1 $129k $154k 42%
59258 Reserve 184 1 $149k $158k 36%
59263 Scobey 1,180 2 $54k $191k 2%
59222 Flaxville 210 1 – $110k 2%

Download the 10 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?

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

Share of each ZIP code's land in Roosevelt County and in the neighboring counties
ZIPIn RooseveltElsewhere
5920154%McCone County 38%; Valley County 8%
5925578%Richland County 19%; McCone County 3%
592632%Daniels County 98%
5921850%Richland County 50%
5921356%Richland County 44%
5922687%Sheridan County 13%
592222%Daniels County 98%
5925836%Sheridan County 64%
5924242%Sheridan County 58%

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

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

Three-digit prefixes of Roosevelt 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 Roosevelt County's
PrefixSectional centerHereAll codes
592 Billings, MT (SCF 590) 10 41

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