Zip Area Code

Thornton, California

Thornton, California, in San Joaquin County, has ZIP code 95686 and area code 209, with 350 as an overlay.

ZIP code
95686
Area codes
209, 350
Time zone
Pacific Time
Coordinates
38.2261, -121.4236

ZIP codes in Thornton

ZIP codePost officeCountyArea codes
95686ThorntonSan Joaquin County209, 350

Area codes for Thornton

  • Area code 209

    In service since 1958. Shares its area with 350. Local calls are dialed with 1 plus ten digits.

  • Area code 350

    In service since November 28, 2022. Shares its area with 209. 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

Thornton is in the Pacific Time zone.

Towns near Thornton