New hampshire area codes

New Hampshire has the following area codes:

• 603

Note that New Hampshire only has one area code, which is 603. This area code covers the entire state.

Here are some cities and towns in New Hampshire, along with their corresponding area code:

• Manchester: 603
• Nashua: 603
• Concord: 603
• Portsmouth: 603
• Keene: 603
• Laconia: 603
• Berlin: 603
• Claremont: 603
• Lebanon: 603
• Hanover: 603

It's worth noting that while New Hampshire only has one area code, some phone numbers within the state may have a prefix that is not 603. For example, some phone numbers may have a prefix of 603-555 or 603-666, but these are still considered part of the 603 area code.