Seneca County, Ohio ZIP Codes

14 ZIP Codes

Zip Code
City
Population ↓
44883Tiffin28,102
44830Fostoria18,671
44836Green Springs2,496
44867Republic2,345
44807Attica2,244
44818Bloomville1,989
44853New Riegel1,391
44802Alvada746
44844McCutchenville744
44815Bettsville710
44841Kansas498
44828Flat Rock138
44809Bascom103
44861Old Fort31

Overview of ZIP Codes in Seneca 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.
14
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 14 ZCTAs in Seneca County, Ohio (US Census).

Sources

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

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