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ZIP codes in Limestone County, Texas

Limestone County, Texas has 7 ZIP codes in this list, from 76635 to 76687. They cover 7 places, among them Coolidge, Groesbeck, Kosse and Mexia.

ZIP codePlaceLand area (sq mi)Map point
76635Coolidge11731.744, -96.658
76642Groesbeck24831.536, -96.523
76653Kosse15231.315, -96.620
76667Mexia15331.678, -96.495
76678Prairie Hill27.931.659, -96.809
76686Tehuacana1.831.750, -96.542
76687Thornton13231.408, -96.502

The ZIP code areas of Limestone County add up to about 831 square miles of land (2,153 sq km) as the Census Bureau draws them. The largest is 76642 (Groesbeck), with 248 square miles.

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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