Find the last 4 digits (ZIP+4) for an address in 91785

ZIP 91785, Upland, 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 91785 – Upland, CA

Upland, California · San Bernardino County · Pacific time

ZIP code91785
CityUpland
StateCalifornia
CountySan Bernardino County
PopulationNot published (no Census ZIP area)
Time zonePacific · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)34.1144, -117.6583

Area codes in this area

840909

These are the area codes that most often serve ZIP 91785 (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

91786 Upland · 0.7 mi91784 Upland · 1.9 mi91711 Claremont · 3.4 mi91758 Ontario · 3.6 mi91701 Rancho Cucamonga · 3.7 mi91763 Montclair · 3.7 mi91729 Rancho Cucamonga · 3.8 mi91762 Ontario · 3.8 mi

About ZIP 91785

ZIP code 91785 is assigned to Upland, California. It lies in San Bernardino County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 91786 (Upland), about 0.7 miles away.

Every address in 91785 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