Zip Area Code

Arroyo Grande, California

Arroyo Grande, California, in San Luis Obispo County, has ZIP codes 93420 and 93421 and area code 805, with 820 as an overlay.

ZIP codes
93420, 93421
Area codes
805, 820
Time zone
Pacific Time
Coordinates
35.1424, -120.5279

ZIP codes in Arroyo Grande

ZIP codePost officeCountyArea codes
93420Arroyo GrandeSan Luis Obispo County805, 820
93421*Arroyo GrandeSan Luis Obispo County805, 820

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

Area codes for Arroyo Grande

  • Area code 805

    In service since 1957. Shares its area with 820. Local calls are dialed with 1 plus ten digits.

  • Area code 820

    In service since June 30, 2018. Shares its area with 805. 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

Arroyo Grande is in the Pacific Time zone.

Towns near Arroyo Grande