Find the last 4 digits (ZIP+4) for an address in 78591

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ZIP Code 78591 – Santa Elena, TX

Santa Elena, Texas · Starr County · Central time

ZIP code78591
CitySanta Elena
StateTexas
CountyStarr County
Population158
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area175.51 sq mi
Center (lat, long)26.6391, -98.5519

Area codes in this area

956

These are the area codes that most often serve ZIP 78591 (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

78536 Delmita · 6.7 mi78588 San Isidro · 11.7 mi78582 Rio Grande City · 13.8 mi78563 Linn · 18.5 mi78541 Edinburg · 21.3 mi78595 Sullivan City · 22.4 mi78576 Penitas · 22.9 mi78360 Guerra · 23.1 mi

About ZIP 78591

ZIP code 78591 is assigned to Santa Elena, Texas. It lies in Starr County. Its Census area covers about 175.51 square miles of land. The closest neighboring ZIP is 78536 (Delmita), about 6.7 miles away.

Every address in 78591 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