Connecticut Area Codes, All Area Codes in Connecticut
Connecticut has area codes of 203, 475, 860, 959.
| Area Codes | Major Cities |
|---|---|
| 203 Area Code | Major cities covered by 203 area code |
| 475 Area Code | Major cities covered by 475 area code |
| 860 Area Code | Major cities covered by 860 area code |
| 959 Area Code | Major cities covered by 959 area code |