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 |
---|---|---|---|
312-460 | Chicago | Cook | Landline |
312-666 | Chicago | Cook | Landline |
312-747 | Chicago | Cook | Landline |
312-573 | Chicago | Cook | Landline |
312-644 | Chicago | Cook | Landline |
312-619 | Chicago | Cook | Wireless |
312-937 | Chicago | Cook | Wireless |
312-488 | Chicago | Cook | Landline |
312-259 | Chicago | Cook | Wireless |
312-457 | Chicago | Cook | Wireless |
312-216 | Chicago | Cook | Landline |
312-922 | Chicago | Cook | Landline |
312-926 | Chicago | Cook | Landline |
312-317 | Prospect Heights | Cook | Wireless |
312-335 | Chicago | Cook | Landline |
312-294 | Chicago | Cook | Landline |
312-242 | Chicago | Cook | Landline |
312-234 | Chicago | Cook | Landline |
312-787 | Chicago | Cook | Landline |
312-901 | Chicago | Cook | Wireless |