Zip Area Code

Mountain House, California

No ZIP code carries the name of Mountain House, California, in Alameda County; the nearest ZIP code is 95391, in area code 510, with 341 as an overlay.

Nearest ZIP
95391
Area codes
510, 341
Time zone
Pacific Time
Coordinates
37.7673, -121.5449

Nearest ZIP codes to Mountain House

This is the ZIP code nearest to Mountain House, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
95391TracyAlameda County510, 341

Area codes for Mountain House

  • Area code 510

    In service since September 2, 1991. Shares its area with 341. Local calls are dialed with 1 plus ten digits.

  • Area code 341

    In service since July 22, 2019. Shares its area with 510. 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

Mountain House is in the Pacific Time zone.

Towns near Mountain House