ZIP Code 77989

About Thomaston

Thomaston is an unincorporated community in southeastern DeWitt County, Texas, United States. It lies along U.S. Route 87, southeast of the city of Cuero, the county seat of DeWitt County. Its elevation is 161 feet (49 m). Although Thomaston is unincorporated, it has a post office, with the ZIP code of 77989.

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