Exchange · Grand Prairie, TX
(972) 640-xxxx
Every number from 972-640-0000 to 972-640-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Grand Prairie, TX in 2022. 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 972-640
About the 972-640 exchange
972-640 is an exchange (the first six digits of a phone number) in area code 972, which covers Texas. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Grand Prairie, TX rate center in 2022. 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 972-640 numbers is usually Central time. Scammers can also fake (spoof) any number, so a call that shows a 972-640 number may not come from Onvoy (Sinch) at all.