Look up a number Latest reports Trending numbers Scam alerts Scam text checker Guides Area codes Scam calls by state Report a shady caller
Theme

Exchange · Austin, TX

(512) 737-xxxx

Every number from 512-737-0000 to 512-737-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Austin, TX in 2023. Robocall and scam operations often use many numbers from one exchange, so if one number here is a shady call, its neighbors deserve a second look.

CarrierOnvoy (Sinch)original
Line typeVoIP / internet phonelikely
Rate centerAustin, TX
Flagged numbers1

Reported numbers starting 512-737

NumberVerdictWhat it isReportsComplaints
(512) 737-7540Shady callScam or spam text03

About the 512-737 exchange

512-737 is an exchange (the first six digits of a phone number) in area code 512, which covers Texas. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Austin, TX rate center in 2023. Numbers from this carrier are usually VoIP / internet phone lines.

People keep their number when they move or switch carrier, so this is where the number was first assigned, not where the caller is today. Local time for 512-737 numbers is usually Central time. Scammers can also fake (spoof) any number, so a call that shows a 512-737 number may not come from Onvoy (Sinch) at all.

Nearby exchanges with reported numbers

Warn the next person

Shady call? Look it up.

Every report you add is one less person who picks up. It takes 30 seconds and it's anonymous.

Report a shady caller