Find the last 4 digits (ZIP+4) for an address in 91791

ZIP 91791, West Covina, CA is filled in. Just type the street address.

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ZIP Code 91791 – West Covina, CA

West Covina, California · Los Angeles County · Pacific time

ZIP code91791
CityWest Covina
StateCalifornia
CountyLos Angeles County
Population33,028
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area6.64 sq mi
Center (lat, long)34.0616, -117.8922

Area codes in this area

626

These are the area codes that most often serve ZIP 91791 (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

91723 Covina · 1.6 mi91724 Covina · 2.5 mi91790 West Covina · 2.6 mi91722 Covina · 2.6 mi91793 West Covina · 2.7 mi91792 West Covina · 2.8 mi91788 Walnut · 3.2 mi91744 La Puente · 3.3 mi

About ZIP 91791

ZIP code 91791 is assigned to West Covina, California. It lies in Los Angeles County. Its Census area covers about 6.64 square miles of land. The closest neighboring ZIP is 91723 (Covina), about 1.6 miles away.

Every address in 91791 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