Area code 603
Encyclopedia
North America
n area code 603 is New Hampshire
's sole area code. 603 was created as one of the original area codes in October, 1947.
As of April, 2011, 603 was nearing exhaustion, and a second area code for New Hampshire was expected to be activated by 2013. A New Hampshire-wide overlay was recommended. However, due to the reclamation of a large number of stranded phone numbers, the exhaust date has moved back significantly, possibly beyond 2020.
Since 10-digit dialing
is not yet mandatory in New Hampshire, callers using the 603 area code do not need to dial 603 plus the other seven digits for in-state numbers. Many businesses in southern New Hampshire, however, use 10-digit phone numbers in their advertising.
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
n area code 603 is New Hampshire
New Hampshire
New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...
's sole area code. 603 was created as one of the original area codes in October, 1947.
As of April, 2011, 603 was nearing exhaustion, and a second area code for New Hampshire was expected to be activated by 2013. A New Hampshire-wide overlay was recommended. However, due to the reclamation of a large number of stranded phone numbers, the exhaust date has moved back significantly, possibly beyond 2020.
Since 10-digit dialing
10-digit dialing
In the United States and Canada, 10-digit dialing is a popular term used to refer to the practice of including the area code of a phone number when dialing...
is not yet mandatory in New Hampshire, callers using the 603 area code do not need to dial 603 plus the other seven digits for in-state numbers. Many businesses in southern New Hampshire, however, use 10-digit phone numbers in their advertising.