Zip Area Code

St. Helena, California

No ZIP code carries the name of St. Helena, California, in Napa County; the nearest ZIP codes are 94573, 94574 and 94576, in area code 707, with 369 as an overlay.

Nearest ZIP
94573, 94574, 94576
Area codes
707, 369
Time zone
Pacific Time
Coordinates
38.5128, -122.4681

Nearest ZIP codes to St. Helena

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

ZIP codePost officeCountyArea codes
94573RutherfordNapa County707, 369
94574Saint HelenaNapa County707, 369
94576Deer ParkNapa County707, 369

Area codes for St. Helena

  • Area code 707

    In service since 1959. Shares its area with 369. Local calls are dialed with 1 plus ten digits.

  • Area code 369

    In service since February 1, 2023. Shares its area with 707. 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

St. Helena is in the Pacific Time zone.

Towns near St. Helena