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Area Code 510 — Oakland, CA

Received a call from a 510 area code number? This area code serves Oakland, California. Enter the full number above to identify the caller instantly.

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About Area Code 510

Area code 510 is a telephone area code serving Oakland, California and surrounding regions. It is part of the North American Numbering Plan (NANP).

If you received a call from a 510 number you don't recognize, it could be a local business, resident, telemarketer, or spam caller based in the Oakland area. Use the lookup tool above to identify the caller in seconds.

Note: Scammers frequently use "neighbor spoofing" — making calls appear to come from local area codes like 510 to increase answer rates. Always verify an unknown 510 number before calling back.

Common Reasons for Calls from 510 Numbers

How to Look Up a 510 Phone Number

01

Enter the number

Type the full 10-digit number starting with 510 into the search box above.

02

Instant analysis

Our AI cross-references carrier data and public records to identify the caller.

03

Get results

See the owner's name, city, carrier, spam risk score, and more in under 2 seconds.

Frequently Asked Questions

Where is area code 510 located?
Area code 510 primarily serves Oakland, California and the surrounding region.
Is a call from area code 510 a scam?
Not necessarily. Many legitimate calls come from 510 numbers. However, scammers do spoof local area codes to appear trustworthy. Look up any unknown 510 number at WhoIsCallingMe.ai to check its spam risk score before calling back.
How do I find out who called me from a 510 number?
Enter the full 510 phone number into WhoIsCallingMe.ai to instantly identify the caller's name, address, carrier, and spam risk score.
How do I block calls from area code 510?
After identifying a spam 510 number, add it to your phone's block list. On iPhone, go to Phone > Recents > tap the (i) next to the number > Block this Caller. On Android, open the number in your recent calls and tap Block.

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