510 Area Code
Oakland, CA and 13 other locations · United States
Country code +1 · ISO US
Example 510 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| (510) 555-0123 | +1 510-555-0123 | +15105550123 |
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Pre-filled with a 510 sample number. Edit it and click "Try It" to see the parsed result.
Locations
Google's libphonenumber lists these locations for the 510 area code.
- · Oakland, CA
- · Fremont, CA
- · Berkeley, CA
- · Hayward, CA
- · San Leandro, CA
- · Alameda, CA
- · Union City, CA
- · Richmond, CA
- · California
- · Hercules, CA
- · Castro Valley, CA
- · Emeryville, CA
- · Pinole, CA
- · Crockett, CA
How to Dial United States Numbers
From abroad
Dial +1 followed by the national number, dropping any leading 1.
Within United States
Dial 1 before the local number to make a domestic call.
Dialing out of United States
Dial 011 followed by the destination country code and number.
Nearby United States Area Codes
Frequently Asked Questions
Where is the 510 area code?
└ The 510 area code covers Oakland, CA in United States.
What timezone is the 510 area code in?
└ Numbers in the 510 area code are in the America/Los_Angeles timezone.
How do I dial a 510 number?
└ From abroad, dial +1 510 followed by the local number. Within United States, dial 1510 before the local number.