Piedmont, California

Piedmont, California, in Alameda County, has ZIP code 94620 and area code 510, with 341 as an overlay.

ZIP code: 94620
Area codes: 510, 341
County: Alameda County
State: California
Time zone: Pacific Time
Coordinates: 37.8244, -122.2316

ZIP codes in Piedmont

ZIP code	Post office	County	Area codes
94620^*	Piedmont	Alameda County	510, 341

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

Area codes for Piedmont

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

Piedmont is in the Pacific Time zone.

Towns near Piedmont

Oakland3.1 km (1.9 mi)
Emeryville4.6 km (2.9 mi)
Canyon5.9 km (3.7 mi)
Berkeley6.3 km (3.9 mi)
Orinda7.9 km (4.9 mi)
Alameda8.2 km (5.1 mi)
Albany9.2 km (5.7 mi)
Kensington10.1 km (6.3 mi)

Local numbers in area code 510

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