Find the last 4 digits (ZIP+4) for an address in 91311

ZIP 91311, Chatsworth, CA is filled in. Just type the street address.

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ZIP Code 91311 – Chatsworth, CA

Chatsworth, California · Los Angeles County · Pacific time

ZIP code91311
CityChatsworth
StateCalifornia
CountyLos Angeles CountyVentura County
Population40,898
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area33.46 sq mi
Center (lat, long)34.2925, -118.6024

Area codes in this area

818747

These are the area codes that most often serve ZIP 91311 (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

91313 Chatsworth · 2.4 mi91326 Porter Ranch · 2.8 mi91324 Northridge · 4.8 mi91394 Granada Hills · 4.9 mi93063 Simi Valley · 4.9 mi91304 Canoga Park · 5.1 mi91330 Northridge · 5.4 mi91344 Granada Hills · 5.6 mi

About ZIP 91311

ZIP code 91311 is assigned to Chatsworth, California. It crosses 2 counties; most of its land is in Los Angeles County. Its Census area covers about 33.46 square miles of land. The closest neighboring ZIP is 91313 (Chatsworth), about 2.4 miles away.

Every address in 91311 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