Contoocook Area Code
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Contoocook, NH area code
Contoocook, NH is served by area code 603. 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.
City Name | Contoocook, NH |
Area Code | 603 |
State | New Hampshire |
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 |