Cos cob Area Code
We have found 1 cities with names similar to "Cos cob". Below is the list of cities that match your search criteria.
Cos cob, CT area code
Cos cob, CT is served by area code 203. This area code was initially assigned on 01-JAN-47 and has been in continuous service since 01-JAN-47, supporting the city's growing communication needs over the years.
The area code 203 is part of an overlay complex (203/475), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.
| City Name | Cos cob, CT |
| Area Code | 203 |
| Overlay Complex | 203/475 |
| State | Connecticut |
| Country | United State |
| Time Zone | Eastern Standard Time (EST) |
| Code Type | General Purpose Code |
| In Service | Yes |
| Assignment Date | 01-JAN-47 |
| In Service Date | 01-JAN-47 |
