Numbers with this prefix were first introduced in 1996.While 9725483791 was originally issued with the info above, the owner of the phone number (972) 548-3791 may have transferred it through a process called porting.
Caller name: Us Grant
Caller type: Unknown
They Called twice after being told not interested and they got the wrong phone.
Than another woman who claims to be from the same US Grant called with number (362)715-4628.
Caller name: Us grant
Caller type: Scammer/Fraudster
Caller states he is calling about a grant but asked for "owner of the phone number". Caller has a thick accent and cannot answer any questions to verify he works for government; he then got angry and hung up the phone.