These are the telephone area codes for Oakland and the East Bay region of the San Francisco Bay Area in California.
How to Call Oakland from Overseas
- Dial your country's exit code (International Access Code)
- Dial 1 (USA country code)
- Dial the area code (510 or 341)
- Dial the 7-digit local phone number
Example: Calling Downtown Oakland from the UK
00 1 510 555 2233
Where:
00 = UK exit code
1 = USA country code
510 = Oakland metro area code
555 2233 = Local Oakland phone number
Quick Facts
Oakland Area Code Coverage
These area codes serve Oakland and neighboring East Bay communities:
510 - Oakland Core
Original area code for Oakland, Berkeley, Emeryville, Albany, and Richmond
341 - Oakland Overlay
Added in 2019 to supplement 510 due to increasing demand for new phone numbers
415 / 628
San Francisco and northern Peninsula
925
Contra Costa County (e.g., Walnut Creek, Concord, Pleasanton)
650
San Mateo County and Silicon Valley (e.g., Palo Alto, Redwood City)
408 / 669
Southern Silicon Valley (e.g., San Jose, Sunnyvale)
Major US Area Codes
Common Exit Codes for Calling USA
When calling Oakland from these countries, use these exit codes:
United Kingdom
00
Australia
0011
European Union
00
Japan
010
China
00
Canada
011