Calhoun County, Texas ZIP Codes

4 ZIP Codes

Zip Code
City
Population ↓
77979Port Lavaca16,488
77983Seadrift2,529
77982Port O'Connor620
77978Point Comfort304

Overview of ZIP Codes in Calhoun 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.
4
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 4 ZCTAs in Calhoun County, Texas (US Census).

Sources

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

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