Pick 603 for Manchester, Nashua or Derry.
New Hampshire has a single code, so there is no second one to weigh against 603.
New Hampshire has one area code: 603.
Area codes in New Hampshire
Get a phone number with the right area code for New Hampshire.
603 is the only area code in New Hampshire, and it covers the whole state, from Manchester and Nashua to Concord, Derry and Dover.
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New Hampshire has one area code.
In the order they opened.
603
603 is the only area code in New Hampshire.
New Hampshire still runs on its original code alone.
Pick 603, the one code New Hampshire has.
Pick 603 for Concord or Dover.
Concord and Dover start with the same code as Manchester.
People filed 85 FCC complaints about unwanted calls from New Hampshire area code in 12 months.
From October 2025 to September 2026, 85 unwanted-call complaints filed with the FCC gave a caller ID number that started with the New Hampshire code.
- 85unwanted-call complaints named a New Hampshire code
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
This is how you get a New Hampshire number.
- 1
Start your free week.
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- 2
Type the code you picked.
Open Create a number, type the three digits and give the number a name.
- 3
Hand the number out.
Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
People ask these questions about New Hampshire area codes.
More in the full FAQ.
Yes. Dover uses 603, like Manchester, Nashua, Concord and Derry.
One: 603, the code of the whole state.
New Hampshire has one area code, 603, in service since 1947, by the numbering administrator's report of October 23, 2026.
New Hampshire has one area code, 603, in service since 1947. New Hampshire still runs on its original code alone.
A local call in New Hampshire is dialed with ten digits. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 85 FCC complaints about unwanted calls from numbers that start with a New Hampshire code. The only one named was 603 (85). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in New Hampshire. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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States next to New Hampshire
More area codes
Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database (its report of October 23, 2026), and the complaints are the FCC's own.
Put a New Hampshire code on a number you can burn.
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