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Local 603 numbers

Get a 603 phone number for Manchester and all of New Hampshire.

Ask for 603 when you create a number on ExpressNumber, and the number you hand out reads as New Hampshire, from Nashua to Lebanon. It rings the phone you already carry, and you burn it in one tap.

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This is how you get a 603 number.

  1. Start your 7 days free and open Create a number.
  2. Type 603 as the area code and give the number a name.
  3. Hand it out. Calls ring the phone you already carry, and texts land in your inbox.
  4. Burn it in one tap when you are done. Calls and texts to it stop at once.
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People ask for 603 when the search is in Manchester, Nashua or Portsmouth.

An apartment for rent in Manchester or Nashua draws calls from many strangers.

List it with a 603 number, take the calls on your own phone and burn the number once the lease is signed.

Used skis or a truck sold on a marketplace near Concord bring texts from buyers all week.

Post a 603 number with the photos, set it to Texts only and keep your own number off the listing.

A moving job or a landscaping quote in Dover ends in follow-up calls.

Give each company its own 603 number. Block the ones you did not choose.

This is where a 603 number is from.

Area code 603 covers the whole State of New Hampshire, which still has just one area code. It has never been split, and no second code is laid over it.

The numbering administrator's state map labels Berlin, Lebanon, Laconia, Portsmouth, Concord, Manchester and Keene.

  • Manchester
  • Nashua
  • Concord
  • Derry
  • Dover
  • Rochester
  • Salem
  • Merrimack
  • Portsmouth
  • Keene
  • Laconia
  • Lebanon

These are the facts about area code 603.

From the public records of the body that runs US phone numbering, read October 21, 2026.

Place
All of New Hampshire, New Hampshire
In service since
1947
Local calls are dialed with
Ten digits
Shares its area with
No other code

603 has been New Hampshire's only area code since 1947, and the governor's 2023 executive order on preserving it says it was created that year.

Dialing all ten digits for local calls became mandatory on October 24, 2021.

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Then pick the plan that fits how many numbers you hand out.

Basic

7 days free

$9.99/mo

  • 5 numbers, one for each site, store or dealer
  • 100 forwarded minutes a month
  • Burn a number in one tap
  • Extra numbers $1 a month each
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Pro

7 days free

$29.99/mo

  • 100 numbers
  • 1,000 forwarded minutes a month
  • A number per vendor, client or listing
  • Extra numbers 50¢ a month each
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$0 today. Monthly plans, cancel any time.

People ask these questions about getting a 603 number.

More in the full FAQ.

Create a number in your dashboard, type 603 as the area code and give it a name, such as Apartment for rent. It is live in about a minute. You do not need to live in New Hampshire: calls ring the phone you already carry.

Yes, for taking calls and texts. A landscaper, a tutor or a mover in Manchester can put a 603 number on the flyer and the website, take the calls on their own phone and burn the number when the job is done.

Yes. Area code 603 covers the whole state, including Manchester, Nashua, Concord, Dover and Portsmouth.

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.

You get 7 days free and pay $0 today. After 7 days your plan starts: $9.99 a month for Basic or $29.99 a month for Pro. Cancel before then and you pay nothing.

More area codes

Every fact on this page comes from public numbering records.

The state, the dates and the related codes are rows of the North American Numbering Plan Administrator's area code database. The places are from its planning letters and the state’s own pages. Read October 21, 2026.

Put 603 on a number you can burn.

Hand out a number you can burn. Keep the one your family calls.

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