Zip Area Code

San Pedro, California

San Pedro, California, in Los Angeles County, has ZIP codes 90731, 90732, 90733 and 90734 and area code 310, with 424 as an overlay.

ZIP codes
90731, 90732, 90733, 90734
Area codes
310, 424
Time zone
Pacific Time
Coordinates
33.7623, -118.3002

ZIP codes in San Pedro

ZIP codePost officeCountyArea codes
90731San PedroLos Angeles County310, 424
90732San PedroLos Angeles County310, 424
90733*San PedroLos Angeles County310, 424
90734*San PedroLos Angeles County310, 424

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for San Pedro

  • Area code 310

    In service since November 2, 1991. Shares its area with 424. Local calls are dialed with 1 plus ten digits.

  • Area code 424

    In service since August 26, 2006. Shares its area with 310. Local calls are dialed with 1 plus ten digits.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

San Pedro is in the Pacific Time zone.

Towns near San Pedro