Find the last 4 digits (ZIP+4) for an address in 91701

ZIP 91701, Rancho Cucamonga, CA is filled in. Just type the street address.

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ZIP Code 91701 – Rancho Cucamonga, CA

Rancho Cucamonga, California · San Bernardino County · Pacific time

ZIP code91701
CityRancho Cucamonga
StateCalifornia
CountySan Bernardino County
Population39,287
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area7.39 sq mi
Center (lat, long)34.1378, -117.6003

Area codes in this area

840909

These are the area codes that most often serve ZIP 91701 (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

91737 Rancho Cucamonga · 1.7 mi91729 Rancho Cucamonga · 2.2 mi91730 Rancho Cucamonga · 2.8 mi91784 Upland · 3.2 mi91785 Upland · 3.7 mi91786 Upland · 4.2 mi91764 Ontario · 4.4 mi91739 Rancho Cucamonga · 4.9 mi

About ZIP 91701

ZIP code 91701 is assigned to Rancho Cucamonga, California. It lies in San Bernardino County. Its Census area covers about 7.39 square miles of land. The closest neighboring ZIP is 91737 (Rancho Cucamonga), about 1.7 miles away.

Every address in 91701 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