Iosco County, Michigan ZIP Codes

7 ZIP Codes

Zip Code
City
Population ↓
48750Oscoda9,165
48763Tawas City4,883
48730East Tawas4,584
48739Hale3,629
48770Whittemore1,843
48748National City1,537
48743Long Lake30

Overview of ZIP Codes in Iosco 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Iosco County, Michigan (US Census).

Sources

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

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