Williams County, Ohio ZIP Codes

10 ZIP Codes

Zip Code
City
Population ↓
43506Bryan14,734
43543Montpelier7,401
43517Edgerton3,442
43557Stryker3,284
43518Edon2,897
43570West Unity2,867
43554Pioneer2,037
43501Alvordton715
43531Kunkle212
43505Blakeslee71

Overview of ZIP Codes in Williams 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 Williams County, Ohio (US Census).

Sources

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

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