Carbon County, Montana ZIP Codes

10 ZIP Codes

Zip Code
City
Population ↓
59068Red Lodge3,977
59041Joliet2,258
59014Bridger1,510
59070Roberts1,403
59029Fromberg760
59008Belfry456
59013Boyd199
59007Bearcreek96
59026Edgar81
59071Roscoe42

Overview of ZIP Codes in Carbon 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.
10
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Carbon County, Montana (US Census).

Sources

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

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