Find the last 4 digits (ZIP+4) for an address in 91764

ZIP 91764, Ontario, CA is filled in. Just type the street address.

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ZIP Code 91764 – Ontario, CA

Ontario, California · San Bernardino County · Pacific time

ZIP code91764
CityOntario
StateCalifornia
CountySan Bernardino County
Population56,270
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.91 sq mi
Center (lat, long)34.0741, -117.6056

Area codes in this area

840909

These are the area codes that most often serve ZIP 91764 (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

91743 Guasti · 1.3 mi91730 Rancho Cucamonga · 2.3 mi91729 Rancho Cucamonga · 2.3 mi91758 Ontario · 2.7 mi91761 Ontario · 2.8 mi91762 Ontario · 3.8 mi91786 Upland · 3.9 mi91785 Upland · 4.1 mi

About ZIP 91764

ZIP code 91764 is assigned to Ontario, California. It lies in San Bernardino County. Its Census area covers about 7.91 square miles of land. The closest neighboring ZIP is 91743 (Guasti), about 1.3 miles away.

Every address in 91764 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