Zip Area Code

Wilmington, California

Wilmington, California, in Los Angeles County, has ZIP codes 90744 and 90748 and area code 310, with 424 as an overlay.

ZIP codes
90744, 90748
Area codes
310, 424
Time zone
Pacific Time
Coordinates
33.7828, -118.2636

ZIP codes in Wilmington

ZIP codePost officeCountyArea codes
90744WilmingtonLos Angeles County310, 424
90748*WilmingtonLos 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 Wilmington

  • 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

Wilmington is in the Pacific Time zone.

Towns near Wilmington