Numbers with this prefix were first introduced in 1998.While 7735535700 was originally issued with the info above, the owner of the phone number (773) 553-5700 may have transferred it through a process called porting.
Caller name: Chicago Public Schools
Caller type: Unknown
I get this call almost every day about a child that I do not have missing school. I have called and asked for it to be taken off but it keeps happening. I've had to block the number from calling me.