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 |
---|---|---|---|
312-876 | Chicago | Cook | Landline |
312-229 | Chicago | Cook | Landline |
312-749 | Western Springs | Cook | Wireless |
312-832 | Chicago | Cook | Landline |
312-534 | Chicago | Cook | Landline |
312-706 | Chicago | Cook | Landline |
312-550 | Chicago | Cook | Wireless |
312-525 | Chicago | Cook | Landline |
312-694 | Chicago | Cook | Landline |
312-467 | Chicago | Cook | Landline |
312-807 | Chicago | Cook | Landline |
312-394 | Chicago | Cook | Landline |
312-224 | Chicago | Cook | Landline |
312-299 | Chicago | Cook | Wireless |
312-424 | Chicago | Cook | Landline |
312-271 | Chicago | Cook | Wireless |
312-338 | Chicago | Cook | Landline |
312-545 | Chicago | Cook | Wireless |
312-209 | Glenview | Cook | Wireless |
312-475 | Chicago | Cook | Landline |