Find the last 4 digits (ZIP+4) for an address in 78140

ZIP 78140, Nixon, TX is filled in. Just type the street address.

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ZIP Code 78140 – Nixon, TX

Nixon, Texas · Gonzales County · Central time

ZIP code78140
CityNixon
StateTexas
CountyGonzales CountyWilson CountyGuadalupe CountyKarnes County
Population3,474
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area175.04 sq mi
Center (lat, long)29.3068, -97.7634

Area codes in this area

830

These are the area codes that most often serve ZIP 78140 (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

78143 Pandora · 6.2 mi78160 Stockdale · 9.7 mi78677 Wrightsboro · 10.8 mi78122 Leesville · 10.9 mi78159 Smiley · 12.1 mi78614 Cost · 12.8 mi78116 Gillett · 14.2 mi78604 Belmont · 15.7 mi

About ZIP 78140

ZIP code 78140 is assigned to Nixon, Texas. It crosses 4 counties; most of its land is in Gonzales County. Its Census area covers about 175.04 square miles of land. The closest neighboring ZIP is 78143 (Pandora), about 6.2 miles away.

Every address in 78140 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