Austin, Texas

Area code 737 phone validation

Calling or texting a list of 737 numbers? Check every number first: valid or dead, mobile, landline or VoIP, and the carrier it is on now.

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Location
Austin, Texas
United States
Time zone
Central Time (CT)
Prefixes in use
332
NANPA utilized-codes report

What validating 737 numbers tells you

  • ✓Valid or dead. Disconnected and unassigned 737 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 737 prefixes

Companies holding the most 737 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.

Onvoy81 prefixes
T-Mobile Usa33 prefixes
New Cingular Wireless Pcs29 prefixes
Verizon Wireless28 prefixes
Fractel26 prefixes
Bandwidth.Com Clec21 prefixes

147 of 332 737 prefixes are held by companies that commonly supply numbers to VoIP and texting apps.

Places served by 737

Austin, Georgetown, Bastrop, San Marcos, Kyle, Leander, Elgin, Taylor.

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Questions

Where is area code 737?

737 serves Austin, Texas, including places such as Georgetown, Bastrop, San Marcos. Time zone: Central Time (CT).

Which area codes overlap with 737?

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

Does a 737 number mean the person is in Texas?

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 737 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.

737 prefix pages

More Texas area codes

Area code 737 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.