Find the last 4 digits (ZIP+4) for an address in 78594

ZIP 78594, Sebastian, TX is filled in. Just type the street address.

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ZIP Code 78594 – Sebastian, TX

Sebastian, Texas · Willacy County · Central time

ZIP code78594
CitySebastian
StateTexas
CountyWillacy County
Population1,206
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.17 sq mi
Center (lat, long)26.3464, -97.8062

Area codes in this area

956

These are the area codes that most often serve ZIP 78594 (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

78569 Lyford · 4.3 mi78593 Santa Rosa · 5 mi78562 La Villa · 6.8 mi78535 Combes · 8.1 mi78551 Harlingen · 8.8 mi78538 Edcouch · 10.5 mi78550 Harlingen · 10.8 mi78561 Lasara · 10.8 mi

About ZIP 78594

ZIP code 78594 is assigned to Sebastian, Texas. It lies in Willacy County. Its Census area covers about 3.17 square miles of land. The closest neighboring ZIP is 78569 (Lyford), about 4.3 miles away.

Every address in 78594 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