Find the last 4 digits (ZIP+4) for an address in 78599

ZIP 78599, Weslaco, TX is filled in. Just type the street address.

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ZIP Code 78599 – Weslaco, TX

Weslaco, Texas · Hidalgo County · Central time

ZIP code78599
CityWeslaco
StateTexas
CountyHidalgo County
Population35,454
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area26.52 sq mi
Center (lat, long)26.2170, -97.9880

Area codes in this area

956

These are the area codes that most often serve ZIP 78599 (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

78537 Donna · 5.3 mi78558 La Blanca · 5.7 mi78570 Mercedes · 5.7 mi78543 Elsa · 5.9 mi78562 La Villa · 7.6 mi78596 Weslaco · 8.3 mi78579 Progreso · 9.2 mi78516 Alamo · 9.7 mi

About ZIP 78599

ZIP code 78599 is assigned to Weslaco, Texas. It lies in Hidalgo County. Its Census area covers about 26.52 square miles of land. The closest neighboring ZIP is 78537 (Donna), about 5.3 miles away.

Every address in 78599 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