Area code 603 is the sole area code for the U.S. state of New Hampshire in the North American Numbering Plan (NANP). It was created as one of the original 86 numbering plan areas in October 1947.
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Area code 603 covers the entire state of New Hampshire. It is the only area code that serves the area. 603 area code. What time zone is area code 603 ...
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Area code 603 is in New Hampshire (NH), USA and some of the main locations covered are Manchester, Nashua, Concord, .. (jump to city list below).
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603 is an area code located in the state of New Hampshire, US. The largest city it serves is Manchester. Location, time zone and map of the 603 area code ...
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Phone numbers starting with 603 belong to landlines from the New Hampshire (United States) area. Below you will find a list of the most recent reports and other ...
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Area code 603 is the sole area code for the U.S. state of New Hampshire in the North American Numbering Plan (NANP). It was created as one of the original ...
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17 Apr 2021 · It is one of the original 86 numbering plan areas created in 1947. Area code 603 has a telephone numbers that was assigned for the central ...
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Major cities or places in New Hampshire within area code 603 include: Area code 603 serves the larger cities and communities of Amherst, Concord, Derry, Dover, ...
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Return page area codes ; Andover - (Merrimack), 3216, New Hampshire ; Antrim - (Hillsborough), 3440, New Hampshire ; Ashland - (Grafton), 3217, New Hampshire ...
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Profile and Map for Area Code 603 in New Hampshire.
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Area code 603 - New Hampshire. Reverse phone lookup, search by area code or region. Local time and map of New Hampshire.
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Area code 603 is the area code for New Hampshire. It is New Hampshire's only area code. Time Zone: Eastern GMT -5:00 with Daylight Saving in the Summer.
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Area code 603 serves the state of New Hampshire. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service.
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18 May 2016 · 603 has been the lead-in to all telephone numbers in New Hampshire since area codes were developed in 1947. It is so ingrained that at least 134 ...
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