Find the last 4 digits (ZIP+4) for an address in 91740

ZIP 91740, Glendora, CA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 91740 – Glendora, CA

Glendora, California · Los Angeles County · Pacific time

ZIP code91740
CityGlendora
StateCalifornia
CountyLos Angeles County
Population26,168
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area5.01 sq mi
Center (lat, long)34.1194, -117.8551

Area codes in this area

626840909

These are the area codes that most often serve ZIP 91740 (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

91773 San Dimas · 2.8 mi91724 Covina · 2.8 mi91723 Covina · 3 mi91741 Glendora · 3.3 mi91722 Covina · 3.3 mi91791 West Covina · 4.5 mi91768 Pomona · 5.3 mi91750 La Verne · 5.4 mi

About ZIP 91740

ZIP code 91740 is assigned to Glendora, California. It lies in Los Angeles County. Its Census area covers about 5.01 square miles of land. The closest neighboring ZIP is 91773 (San Dimas), about 2.8 miles away.

Every address in 91740 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