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Browse area code 603 phone numbers, prefixes and exchanges. The 603 area code serves Manchester, Hooksett, Portsmouth, Merrimack, Derry, covering 145 ZIP codes in 15 counties.
Prior to October 2021, area code 603 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing.
telephone number / prefix in any area code. Search in Area Code 603 NEW HAMPSHIRE
Our area code lookup makes it easy to find area codes in New Hampshire. Includes area code listings of all New Hampshire area codes with corresponding cities.
Lookup area code 603 details: major cities and timezone. View the 603 area code map in New Hampshire. Find the name of any phone number in area code 603.
Area codes list for the United States, state New Hampshire. Reverse phone lookup, search by area code or region. Local time and map of New Hampshire
Lookup information on Area Code 603 - get demographic, NPA NXX, and other data by area code
