Find the last 4 digits (ZIP+4) for an address in 91766

ZIP 91766, Pomona, CA is filled in. Just type the street address.

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ZIP Code 91766 – Pomona, CA

Pomona, California · Los Angeles County · Pacific time

ZIP code91766
CityPomona
StateCalifornia
CountyLos Angeles CountySan Bernardino County
Population69,327
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area10.1 sq mi
Center (lat, long)34.0423, -117.7561

Area codes in this area

840909

These are the area codes that most often serve ZIP 91766 (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

91769 Pomona · 0.9 mi91768 Pomona · 2.5 mi91767 Pomona · 3 mi91763 Montclair · 3.9 mi91710 Chino · 4.9 mi91765 Diamond Bar · 5.1 mi91762 Ontario · 5.1 mi91773 San Dimas · 5.4 mi

About ZIP 91766

ZIP code 91766 is assigned to Pomona, California. It crosses 2 counties; most of its land is in Los Angeles County. Its Census area covers about 10.1 square miles of land. The closest neighboring ZIP is 91769 (Pomona), about 0.9 miles away.

Every address in 91766 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