Area code 510
510 is Oakland, Fremont, Hayward, California.
Area code 510 at a glance
- State
- California
- Main cities
- Oakland, Fremont, Hayward, Berkeley, Richmond, San Leandro, Alameda
- Time zone
- Pacific Time
- Local time now
- --:--:--
- Overlay codes
- 341
- In service since
- 1991
341 covers the exact same area as 510 — both are dialed with all 10 digits.
Get a 510 number
Rent a real 510 number and receive calls and text messages on it from anywhere. Calls ring in your browser, and voicemail is transcribed automatically.
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- +1 510 327 1846
- +1 510 977 9395
- +1 510 650 3944
- +1 510 327 1848
- +1 510 941 1192
Call a 510 number from abroad
Call any 510 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 510 from inside the US or Canada
Dial 1, then 510, then the 7-digit number.
Calling a 510 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 510?
Area code 510 covers Oakland, Fremont, Hayward in California.
What time is it in area code 510?
Area code 510 is in the Pacific Time time zone. See the live clock above for the current local time.
Is 341 the same area as 510?
Yes. 341 is an overlay of 510 — they cover the exact same area, so every call there needs all 10 digits dialed.
How do I get an area code 510 phone number?
Sign up for QuikRing and rent one of the available 510 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 510 from abroad?
Calls to United States numbers, including area code 510, start at $0.02/min with QuikRing — no roaming plan or SIM needed.