77989 ZIP Code — Thomaston, TX
De Witt County, Texas
ZIP code 77989 is located in Thomaston, Texas, within De Witt County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 361.
0
population
0.00
sq mi land
Standard
ZIP type
Central (CT)
timezone
77989 ZIP code map
Cities in ZIP code 77989
Below are the cities the US Postal Service accepts for ZIP code 77989. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Thomaston | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 48 |
| County FIPS | 123 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 28.9968 |
| Longitude | -97.1575 |
| Timezone | Central (CT) |
| Area code | 361 |