Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Powder River County Address Data
Businesses Addresses: 807
PO Box Addresses: 1,198
Residential Addresses: 5,413
Multi-Family Addresses: 147
Single Family Addresses: 5,266
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Map of Powder River County, MT ZIP Codes With Actual (Default) City Names