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 |
---|---|---|---|
312-873 | Chicago | Cook | Landline |
312-798 | Chicago | Cook | Landline |
312-543 | Chicago | Cook | Wireless |
312-704 | Chicago | Cook | Landline |
312-541 | Chicago | Cook | Landline |
312-440 | Chicago | Cook | Landline |
312-933 | Chicago | Cook | Wireless |
312-870 | Chicago | Cook | Landline |
312-712 | Chicago | Cook | Landline |
312-984 | Chicago | Cook | Landline |
312-725 | Chicago | Cook | Landline |
312-225 | Chicago | Cook | Landline |
312-613 | Chicago | Cook | Wireless |
312-445 | Chicago | Cook | Landline |
312-915 | Chicago | Cook | Landline |
312-693 | Chicago | Cook | Landline |
312-441 | Chicago | Cook | Landline |
312-978 | Chicago | Cook | Wireless |
312-565 | Chicago | Cook | Landline |
312-827 | Chicago | Cook | Landline |