Find the last 4 digits (ZIP+4) for an address in 78503

ZIP 78503, Mcallen, TX is filled in. Just type the street address.

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ZIP Code 78503 – Mcallen, TX

Mcallen, Texas · Hidalgo County · Central time

ZIP code78503
CityMcallen
StateTexas
CountyHidalgo County
Population22,621
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area19.21 sq mi
Center (lat, long)26.1623, -98.2487

Area codes in this area

956

These are the area codes that most often serve ZIP 78503 (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

78505 Mcallen · 3.1 mi78577 Pharr · 3.4 mi78557 Hidalgo · 3.7 mi78501 Mcallen · 3.7 mi78589 San Juan · 5.6 mi78502 Mcallen · 7.2 mi78572 Mission · 7.2 mi78504 Mcallen · 8 mi

About ZIP 78503

ZIP code 78503 is assigned to Mcallen, Texas. It lies in Hidalgo County. Its Census area covers about 19.21 square miles of land. The closest neighboring ZIP is 78505 (Mcallen), about 3.1 miles away.

Every address in 78503 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