Find the last 4 digits (ZIP+4) for an address in 91377

ZIP 91377, Oak Park, CA is filled in. Just type the street address.

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ZIP Code 91377 – Oak Park, CA

Oak Park, California · Ventura County · Pacific time

ZIP code91377
CityOak Park
StateCalifornia
CountyVentura County
Population13,757
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area5.39 sq mi
Center (lat, long)34.1847, -118.7665

Area codes in this area

818747310424

These are the area codes that most often serve ZIP 91377 (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

91362 Thousand Oaks · 3.1 mi91376 Agoura Hills · 3.4 mi91359 Westlake Village · 3.5 mi91358 Thousand Oaks · 4.2 mi91301 Agoura Hills · 4.3 mi93065 Simi Valley · 5.4 mi93064 Brandeis · 5.7 mi91307 West Hills · 5.9 mi

About ZIP 91377

ZIP code 91377 is assigned to Oak Park, California. It lies in Ventura County. Its Census area covers about 5.39 square miles of land. The closest neighboring ZIP is 91362 (Thousand Oaks), about 3.1 miles away.

Every address in 91377 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