Oakland, California

Area code 510 phone validation

Calling or texting a list of 510 numbers? Check every number first: valid or dead, mobile, landline or VoIP, and the carrier it is on now.

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Location
Oakland, California
United States
Time zone
Pacific Time (PT)
Prefixes in use
785
NANPA utilized-codes report

What validating 510 numbers tells you

  • ✓Valid or dead. Disconnected and unassigned 510 numbers are flagged before your dialer or SMS tool reaches them.
  • ✓Mobile, landline or VoIP. Know which numbers can take a text and which are desk phones or app numbers.
  • ✓Carrier. The carrier each number is on now, which can differ from the company that was first given the prefix because numbers are ported.

Who holds 510 prefixes

Companies holding the most 510 prefixes (NPA-NXX blocks) in the NANPA utilized-codes report. This is who was assigned the number blocks, not who serves each number today: a number can be ported to any carrier, which is why a live check matters.

Pacific Bell277 prefixes
New Cingular Wireless Pcs78 prefixes
T-Mobile Usa65 prefixes
Verizon Wireless60 prefixes
Mcimetro Access Transmission Services48 prefixes
Metropcs45 prefixes

140 of 785 510 prefixes are held by companies that commonly supply numbers to VoIP and texting apps.

Places served by 510

Okld Mn-Pd, Hayward, Frnk Main, Okld Bkly, Okld Trnid, Richmond, Frnk Olivr, Okld Almd.

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Questions

Where is area code 510?

510 serves Oakland, California, including places such as Hayward, Frnk Main, Okld Bkly. Time zone: Pacific Time (PT).

Which area codes overlap with 510?

341 serves the same area. A list for this area will usually mix these codes, and TrueSearch checks them all the same way.

Does a 510 number mean the person is in California?

Not always. People keep their numbers when they move or switch carriers, and VoIP numbers can be assigned anywhere. The area code tells you where the number was first assigned, not where the person is today.

What does validating a 510 number tell me?

Whether the number is valid or dead, whether it is a mobile, landline or VoIP line, and the carrier it is on now, from live carrier data.

Does TrueSearch check Do Not Call lists?

No. TrueSearch does not check the National Do Not Call Registry, state DNC lists or litigator lists yet. Run those checks separately where they apply.

510 prefix pages

510-200510-201510-203510-204510-297

More California area codes

341 phone validation209 phone validation213 phone validation279 phone validation310 phone validation323 phone validation350 phone validation408 phone validation415 phone validation424 phone validation442 phone validation530 phone validation559 phone validation562 phone validation619 phone validation626 phone validation628 phone validation650 phone validation657 phone validation661 phone validation669 phone validation

Area code 510 reference: places, prefixes and local time

This guide is general information, not legal advice. TrueSearch for Business checks validity, line type and carrier from licensed telecom data. It does not check the National Do Not Call Registry, state DNC lists or the FCC Reassigned Numbers Database. Not a consumer reporting agency; not for FCRA purposes.