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 |
---|---|---|---|
312-530 | Chicago | Cook | Wireless |
312-570 | Chicago | Cook | Landline |
312-837 | - | - | - |
312-300 | Chicago | Cook | Landline |
312-472 | Chicago | Cook | Landline |
312-362 | Chicago | Cook | Landline |
312-521 | Chicago | Cook | Landline |
312-998 | Chicago | Cook | Landline |
312-415 | Chicago | Cook | Wireless |
312-295 | Brookfield | Cook | Wireless |
312-605 | Chicago | Cook | Landline |
312-232 | Chicago | Cook | Wireless |
312-458 | Chicago | Cook | Landline |
312-374 | Chicago | Cook | Landline |
312-645 | Chicago | Cook | Landline |
312-931 | Chicago | Cook | Landline |
312-417 | Chicago | Cook | Wireless |
312-419 | Chicago | Cook | Landline |
312-845 | Chicago | Cook | Landline |
312-709 | Chicago | Cook | Wireless |