Area Code: | 312 |
State/Region: | Illinois |
Major Cities: | Chicago |
Time Zone: | Central |
Current Time: | 2:47 AM |
Date Assigned: | 1/1/47 |
In Service Since: | 1/1/47 |
Overlay?: | Yes |
Overlay Complex: | 312/872 |
Local Call Dialing: | 1+10D |
Toll Call Dialing: | 1+10D |