Zip Area Code

Foster, California

No ZIP code carries the name of Foster, California, in San Mateo County; the nearest ZIP codes are 94065, 94403 and 94404, in area code 650.

Nearest ZIP
94065, 94403, 94404
Area code
650
Time zone
Pacific Time
Coordinates
37.5648, -122.2508

Nearest ZIP codes to Foster

These are the ZIP codes nearest to Foster, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
94065Redwood CitySan Mateo County650
94403San MateoSan Mateo County650
94404San MateoSan Mateo County650

Area code for Foster

  • Area code 650

    In service since August 2, 1997. Local calls are dialed with 1 plus ten digits.

Time zone

Foster is in the Pacific Time zone.

Towns near Foster