Port Costa, California
Port Costa, California, in Contra Costa County, has ZIP code 94569 and area code 510, with 341 as an overlay.
- ZIP code
- 94569
- Area codes
- 510, 341
- County
- Contra Costa County
- State
- California
- Time zone
- Pacific Time
- Coordinates
- 38.0460, -122.1866
ZIP codes in Port Costa
Area codes for Port Costa
- 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
Port Costa is in the Pacific Time zone.
Towns near Port Costa
Local numbers in area code 510
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- (510) 810-7707Alameda, CA$59View & buy
- (510) 810-7717Alameda, CA$59View & buy
- (510) 810-7727Alameda, CAAlso spells SPAS$59View & buy
- (510) 810-7767Alameda, CAAlso spells PROP, PROS$59View & buy
- (510) 810-7787Alameda, CAAlso spells SPUR$59View & buy
- (510) 810-7797Alameda, CA$59View & buy
- (510) 838-2008Oakland, CA$59View & buy
- (510) 838-2789Oakland, CAAlso spells TASTY$59View & buy
- (510) 838-2987Oakland, CA$59View & buy
- (510) 838-4568Oakland, CA$59View & buy
- (510) 838-4678Oakland, CAAlso spells HOST$59View & buy
- (510) 838-4789Oakland, CA$59View & buy
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