Limestone County, Texas ZIP Codes

Zip Code
City
Population ↓
76667Mexia10,494
76642Groesbeck6,363
76664Mart3,231
76687Thornton1,830
76635Coolidge1,392
76653Kosse1,067
76686Tehuacana341
76678Prairie Hill102

Overview of ZIP Codes in Limestone 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Limestone County, Texas (US Census).

Sources

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

Recommended Reading