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 |
---|---|---|---|
312-760 | Chicago | Cook | Wireless |
312-343 | Chicago | Cook | Wireless |
312-792 | Chicago | Cook | Landline |
312-284 | Chicago | Cook | Landline |
312-576 | Chicago | Cook | Wireless |
312-997 | Chicago | Cook | Landline |
312-369 | Chicago | Cook | Wireless |
312-406 | Prospect Heights | Cook | Wireless |
312-310 | Glenview | Cook | Wireless |
312-742 | Chicago | Cook | Landline |
312-361 | Chicago | Cook | Landline |
312-970 | Chicago | Cook | Landline |
312-408 | Chicago | Cook | Landline |
312-743 | Chicago | Cook | Landline |
312-635 | Chicago | Cook | Landline |
312-479 | Chicago | Cook | Landline |
312-490 | Chicago | Cook | Wireless |
312-391 | Chicago | Cook | Wireless |
312-707 | Chicago | Cook | Landline |
312-218 | Chicago | Cook | Wireless |