How to call New Hampshire in United States from United States:
1 - United States exit code
1 + Area Code + Local Number - Overall dialing code format
Note: United States and United States are both members of NANP (North American Numbering Plan) so when calling between these countries, 1 is used in place of the country exit code.
World time zone information:
Save on your call:
To call a mobile phone in United States from United States use the following dialing code format:
1 + The Number
Click here to search for another mobile country code.
The New Hampshire, United States area code chart below gives you the necessary information for calling New Hampshire cities. For international dialing instructions to New Hampshire, United States, use our drop down boxes at the top of this page or check out our easy-to-use country code search tool.