Numbers with this prefix were first introduced in 1998.While 8646603870 was originally issued with the info above, the owner of the phone number (864) 660-3870 may have transferred it through a process called porting.
Caller type: Unknown
This number called my home phone. Caller ID shows: "TRAVELRSRST SC." Didn't recognize the number, so I did not answer. There was no message left. I'll likely block the number, since I usually block all numbers that I don't recognize or that do not leave messages.