Keweenaw County, Michigan ZIP Codes


ZIP Codes in Keweenaw County with Associated Cities & Towns

Keweenaw County, MI - Standard ZIP Codes
49805 | 49913 | 49945 | 49950
Keweenaw County, MI - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
49901 | 49918
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 Keweenaw County Address Data

  • Businesses Addresses: 462
  • PO Box Addresses: 821
  • Residential Addresses: 5,892
    • Multi-Family Addresses: 238
    • Single Family Addresses: 5,654


Map of Keweenaw County, MI ZIP Codes With Actual (Default) City Names

Copper Harbor

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