Find the last 4 digits (ZIP+4) for an address in 78957

ZIP 78957, Smithville, TX is filled in. Just type the street address.

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ZIP Code 78957 – Smithville, TX

Smithville, Texas · Bastrop County · Central time

ZIP code78957
CitySmithville
StateTexas
CountyBastrop CountyFayette County
Population10,543
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area177.05 sq mi
Center (lat, long)30.0139, -97.1821

Area codes in this area

979

These are the area codes that most often serve ZIP 78957 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

78963 West Point · 11.3 mi78602 Bastrop · 12 mi78949 Muldoon · 13 mi78659 Paige · 13.8 mi78952 Plum · 13.9 mi78953 Rosanky · 15.8 mi78662 Red Rock · 16.3 mi78960 Warda · 17.2 mi

About ZIP 78957

ZIP code 78957 is assigned to Smithville, Texas. It crosses 2 counties; most of its land is in Bastrop County. Its Census area covers about 177.05 square miles of land. The closest neighboring ZIP is 78963 (West Point), about 11.3 miles away.

Every address in 78957 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources