Big Horn County, Montana ZIP Codes

11 ZIP Codes

Zip Code
City
Population ↓
59034Hardin5,008
59022Crow Agency2,307
59050Lodge Grass1,338
59016Busby1,044
59089Wyola801
59066Pryor539
59031Garryowen391
59064Pompeys Pillar211
59035Fort Smith180
59075Saint Xavier125
59025Decker53

Overview of ZIP Codes in Big Horn County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
11
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 11 ZCTAs in Big Horn County, Montana (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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