Numbers with this prefix were first introduced in 1999.While 3122811746 was originally issued with the info above, the owner of the phone number (312) 281-1746 may have transferred it through a process called porting.
Caller name: Chicago Il
Caller type: Unknown
Calling repeatedly in the middle of the night with a fax to connect. Then switched to a Seattle Number206-829-4809. Didn't switch until I kept the line open and allowed the beeping to stop and the fax hung up.