Fremont, California

Fremont, California, in Alameda County, has ZIP codes 94536, 94537, 94538, 94539 and 94555 and area code 510, with 341 as an overlay.

ZIP codes: 94536, 94537, 94538, 94539 …
Area codes: 510, 341
County: Alameda County
State: California
Time zone: Pacific Time
Coordinates: 37.5725, -121.9736

ZIP codes in Fremont

ZIP code	Post office	County	Area codes
94536	Fremont	Alameda County	510, 341
94537^*	Fremont	Alameda County	510, 341
94538	Fremont	Alameda County	510, 341
94539	Fremont	Alameda County	510, 341
94555	Fremont	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 Fremont

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

Fremont is in the Pacific Time zone.

Towns near Fremont

Union5.2 km (3.2 mi)
Newark6.5 km (4.0 mi)
Union City7 km (4.3 mi)
Sunol7.8 km (4.8 mi)
Hayward11.2 km (7.0 mi)
Fairview13.3 km (8.3 mi)
Pleasanton13.9 km (8.6 mi)
Alviso16.3 km (10 mi)

Local numbers in area code 510

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