Wells County, Indiana ZIP Codes

10 ZIP Codes

Zip Code
City
Population ↓
46714Bluffton15,734
46777Ossian6,081
46770Markle2,530
46791Uniondale1,210
46781Poneto1,046
46731Craigville657
46766Liberty Center579
46799Zanesville375
46759Keystone271
46778Petroleum34

Overview of ZIP Codes in Wells 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 Wells County, Indiana (US Census).

Sources

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

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