Find the last 4 digits (ZIP+4) for an address in 77503

ZIP 77503, Pasadena, TX is filled in. Just type the street address.

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ZIP Code 77503 – Pasadena, TX

Pasadena, Texas · Harris County · Central time

ZIP code77503
CityPasadena
StateTexas
CountyHarris County
Population23,866
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area6.34 sq mi
Center (lat, long)29.6906, -95.1570

Area codes in this area

281346621832713

These are the area codes that most often serve ZIP 77503 (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

77536 Deer Park · 2.4 mi77502 Pasadena · 2.7 mi77506 Pasadena · 2.8 mi77505 Pasadena · 3.1 mi77501 Pasadena · 3.1 mi77504 Pasadena · 3.5 mi77587 South Houston · 4.7 mi77015 Houston · 5.2 mi

About ZIP 77503

ZIP code 77503 is assigned to Pasadena, Texas. It lies in Harris County. Its Census area covers about 6.34 square miles of land. The closest neighboring ZIP is 77536 (Deer Park), about 2.4 miles away.

Every address in 77503 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