REGION
Contra Costa County Area Codes and ZIP Codes
California · United States
- Country calling code
- +1
- Local time
- America/Los Angeles
- Country
- United States
A local area-code link is not listed here. The country calling code is shown separately when available.
On this page
Cities & settlements
- MartinezRegional capitalUnited States · California · Contra Costa County
- ConcordCity / settlementUnited States · California · Contra Costa County
- AntiochCity / settlementUnited States · California · Contra Costa County
- RichmondCity / settlementUnited States · California · Contra Costa County
- San RamonCity / settlementUnited States · California · Contra Costa County
- PittsburgCity / settlementUnited States · California · Contra Costa County
- Walnut CreekCity / settlementUnited States · California · Contra Costa County
- BrentwoodCity / settlementUnited States · California · Contra Costa County
- DanvilleCity / settlementUnited States · California · Contra Costa County
- OakleyCity / settlementUnited States · California · Contra Costa County
- Pleasant HillCity / settlementUnited States · California · Contra Costa County
- San PabloCity / settlementUnited States · California · Contra Costa County
- LafayetteCity / settlementUnited States · California · Contra Costa County
- HerculesCity / settlementUnited States · California · Contra Costa County
- El CerritoCity / settlementUnited States · California · Contra Costa County
- Bay PointCity / settlementUnited States · California · Contra Costa County
- OrindaCity / settlementUnited States · California · Contra Costa County
- PinoleCity / settlementUnited States · California · Contra Costa County
- MoragaCity / settlementUnited States · California · Contra Costa County
- AlamoCity / settlementUnited States · California · Contra Costa County
- Discovery BayCity / settlementUnited States · California · Contra Costa County
- El SobranteCity / settlementUnited States · California · Contra Costa County
- ClaytonCity / settlementUnited States · California · Contra Costa County
- BlackhawkCity / settlementUnited States · California · Contra Costa County
- RodeoCity / settlementUnited States · California · Contra Costa County
- Contra Costa CentreCity / settlementUnited States · California · Contra Costa County
- WaldonCity / settlementUnited States · California · Contra Costa County
- SaranapCity / settlementUnited States · California · Contra Costa County
- Tara HillsCity / settlementUnited States · California · Contra Costa County
- KensingtonCity / settlementUnited States · California · Contra Costa County
- Vine HillCity / settlementUnited States · California · Contra Costa County
- North RichmondCity / settlementUnited States · California · Contra Costa County
- PachecoCity / settlementUnited States · California · Contra Costa County
- East Richmond HeightsCity / settlementUnited States · California · Contra Costa County
- CrockettCity / settlementUnited States · California · Contra Costa County
- RollingwoodCity / settlementUnited States · California · Contra Costa County
- MontalvinCity / settlementUnited States · California · Contra Costa County
- Mountain ViewCity / settlementUnited States · California · Contra Costa County
- Bethel IslandCity / settlementUnited States · California · Contra Costa County
- BayviewCity / settlementUnited States · California · Contra Costa County
- KnightsenCity / settlementUnited States · California · Contra Costa County
- ByronCity / settlementUnited States · California · Contra Costa County
- DiabloCity / settlementUnited States · California · Contra Costa County
- Acalanes RidgeCity / settlementUnited States · California · Contra Costa County
- North GateCity / settlementUnited States · California · Contra Costa County
- ClydeCity / settlementUnited States · California · Contra Costa County
- Port CostaCity / settlementUnited States · California · Contra Costa County
- Alamo OaksCity / settlementUnited States · California · Contra Costa County
- Antioch-PittsburgCity / settlementUnited States · California · Contra Costa County
- ArborCity / settlementUnited States · California · Contra Costa County
Administrative areas
- City of AntiochRegionUnited States · California · Contra Costa County
- City of BrentwoodRegionUnited States · California · Contra Costa County
- City of ClaytonRegionUnited States · California · Contra Costa County
- City of ConcordRegionUnited States · California · Contra Costa County
- City of El CerritoRegionUnited States · California · Contra Costa County
- City of HerculesRegionUnited States · California · Contra Costa County
- City of MartinezRegionUnited States · California · Contra Costa County
- City of OakleyRegionUnited States · California · Contra Costa County
- City of PittsburgRegionUnited States · California · Contra Costa County
- City of Pleasant HillRegionUnited States · California · Contra Costa County
- City of RichmondRegionUnited States · California · Contra Costa County
- City of Walnut CreekRegionUnited States · California · Contra Costa County
Local time & call planner
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Contra Costa County Time Zone
- IANA time zone
- America/Los_Angeles
- Current UTC offset
- -08:00
- Daylight saving time
- Not in effect
Map & location
Latitude and Longitude
- Latitude
- 37.92342
- Longitude
- -121.95121
Call Contra Costa County
International dialing format
+1 [national number]
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Nearby places
Distances are measured in a straight line.
Find surrounding cities and settlements, ordered by distance.
Show nearby placesLocal facts
Population is a source snapshot, not a live count.
- Recorded population
- 1,049,025
- Recorded elevation
- 365 m
Names & history
Names, translations and spelling variants
Other spellings
- Contra Costa
Arabic
- مقاطعة كونترا كوستا
Language: bg
- Контра Коста
Language: bpy
- কোন্ট্রা কোস্টা কাউন্টি
English
- Contra Costa
Language: eo
- Kantono Contra Costa
Spanish
- Condado de Contra Costa
Language: eu
- Contra Costa konderria
Language: fa
- شهرستان کنترا کوستا، کالیفرنیا
Finnish
- Contra Costan piirikunta
French
- Comté de Contra Costa
Language: gan
- 康特拉科斯塔縣
Language: gl
- Condado de Contra Costa
Language: hu
- Contra Costa megye
Language: hy
- Քոնտրա Քոստա շրջան
Language: is
- Contra Costa
Italian
- Contea di Contra Costa
Japanese
- コントラコスタ郡
Language: la
- Contra Costa Comitatus
Language: nah
- Contra Costa
Language: nan
- Contra Costa Kūn
Polish
- Hrabstwo Contra Costa
Language: pnb
- کونٹرا کوسٹا کاؤنٹی
Portuguese
- Condado de Contra Costa
Russian
- Контра-Коста
Language: sr
- Округ Контра Коста
Ukrainian
- Контра-Коста
Language: ur
- کونٹرا کوسٹا کاؤنٹی، کیلیفورنیا
Language: vi
- Quận Contra Costa
Language: war
- Condado han Contra Costa
Chinese
- 康特拉科斯塔县