ZIP Code 90731 – San Pedro, CA
San Pedro, California · Los Angeles County · Pacific time
| ZIP code | 90731 |
|---|---|
| City | San Pedro |
| State | California |
| County | Los Angeles County |
| Population | 61,944 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 9.23 sq mi |
| Center (lat, long) | 33.7324, -118.2782 |
Area codes in this area
These are the area codes that most often serve ZIP 90731 (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
About ZIP 90731
ZIP code 90731 is assigned to San Pedro, California. It lies in Los Angeles County. Its Census area covers about 9.23 square miles of land. The closest neighboring ZIP is 90732 (San Pedro), about 2.1 miles away.
Every address in 90731 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