Find the last 4 digits (ZIP+4) for an address in 91786

ZIP 91786, Upland, CA is filled in. Just type the street address.

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ZIP Code 91786 – Upland, CA

Upland, California · San Bernardino County · Pacific time

ZIP code91786
CityUpland
StateCalifornia
CountySan Bernardino County
Population55,829
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area8.94 sq mi
Center (lat, long)34.1052, -117.6621

Area codes in this area

840909

These are the area codes that most often serve ZIP 91786 (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

91785 Upland · 0.7 mi91784 Upland · 2.5 mi91758 Ontario · 3 mi91763 Montclair · 3.1 mi91762 Ontario · 3.2 mi91711 Claremont · 3.4 mi91764 Ontario · 3.9 mi91729 Rancho Cucamonga · 3.9 mi

About ZIP 91786

ZIP code 91786 is assigned to Upland, California. It lies in San Bernardino County. Its Census area covers about 8.94 square miles of land. The closest neighboring ZIP is 91785 (Upland), about 0.7 miles away.

Every address in 91786 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