Exchange · Austin, TX
(737) 381-xxxx
Every number from 737-381-0000 to 737-381-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Austin, TX in 2024. 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.
Reported numbers starting 737-381
| Number | Verdict | What it is | Reports | Complaints |
|---|---|---|---|---|
| (737) 381-3599 | Caution | Scam or spam text | 0 | 4 |
About the 737-381 exchange
737-381 is an exchange (the first six digits of a phone number) in area code 737, which covers Texas. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Austin, TX rate center in 2024. 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 737-381 numbers is usually Central time. Scammers can also fake (spoof) any number, so a call that shows a 737-381 number may not come from Onvoy (Sinch) at all.