Numbers with this prefix were first introduced in 2000.While 3123276771 was originally issued with the info above, the owner of the phone number (312) 327-6771 may have transferred it through a process called porting.
Caller name: Unbound 15751
Caller type: Unknown
Calls me 3 - 4 times per day on my home number. Never leaves a message. When I pick up the phone but do not say anything, after a few seconds you hear the hang-up on their side.
I really cannot believe there are not that many complaints on this number