General Information about Area Code 312 | |
---|---|
Country | United States |
State / Province / Territory | Illinois |
Major City | Chicago |
Time Zone | Central (UTC-06:00) |
Prefix | Primary City | County | Phone Type |
---|---|---|---|
312-664 | Chicago | Cook | Landline |
312-805 | Chicago | Cook | Wireless |
312-463 | Chicago | Cook | Landline |
312-951 | Chicago | Cook | Landline |
312-240 | Chicago | Cook | Landline |
312-646 | Chicago | Cook | Landline |
312-560 | Chicago | Cook | Wireless |
312-308 | Chicago | Cook | Landline |
312-492 | Chicago | Cook | Landline |
312-420 | Chicago | Cook | Wireless |
312-223 | Chicago | Cook | Landline |
312-446 | Chicago | Cook | Wireless |
312-569 | Chicago | Cook | Landline |
312-315 | Chicago | Cook | Wireless |
312-526 | Chicago | Cook | Landline |
312-819 | Chicago | Cook | Landline |
312-347 | Chicago | Cook | Landline |
312-866 | Chicago | Cook | Wireless |
312-567 | Chicago | Cook | Landline |
312-430 | Chicago | Cook | Landline |