New Hampshire Area Codes
New Hampshire has 1 area code. Located in the Northeast region of the United States.
All Area Codes in New Hampshire
| Area Code | Primary City / Region | Full Number Format |
|---|---|---|
| 603 | Manchester , New Hampshire |
+1 (603) XXX-XXXX
|
How to Dial New Hampshire Area Codes
Calling within the US
To call a phone number in New Hampshire from anywhere within the United States:
1 + (603) + XXX-XXXX
- Dial 1 (the US/Canada country code)
- Dial the area code (e.g., 603)
- Dial the 7-digit local number
Calling from outside the US
To call New Hampshire from an international location:
[Exit Code] + 1 + (603) + XXX-XXXX
Replace [Exit Code] with your country's international access code
(e.g., 00 from most European countries, 0011 from Australia).
Emergency Numbers
| 911 | Police, Fire, Ambulance (Emergency) |
| 311 | Non-emergency municipal services |
| 211 | Community services and information |
| 988 | Suicide & Crisis Lifeline |
About New Hampshire Area Codes
New Hampshire is served by 1 area code within the North American Numbering Plan (NANP). The entire state uses a single area code: 603.
All New Hampshire phone numbers use the international country code +1, followed by the three-digit area code and a seven-digit local number, for a total of 11 digits when dialing internationally.
New Hampshire at a Glance
| State | New Hampshire |
|---|---|
| Country Code | +1 |
| Area Codes | 1 |
| Region | Northeast |
| Codes List |
603
|
New Hampshire Map
Map of New Hampshire area code regions