Ontonagon County, Michigan ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
49953Ontonagon2,368
49912Bruce Crossing834
49948Mass City581
49925Ewen566
49971White Pine369
49910Bergland298
49960Rockland291
49929Greenland121

Overview of ZIP Codes in Ontonagon 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Ontonagon County, Michigan (US Census).

Sources

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

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