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Where is Area Code 603?
Located in the state of New Hampshire (NH)
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603
Area Code 603
Area Code 603
719 RESULTS FOUND
The 603 Area Code is located in the state of New Hampshire. Area Code 603 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 333,238 unique phone numbers near the cities of Claremont-Lebanon.
State:
New Hampshire (NH)
Metro Area:
Claremont-Lebanon
Nearby Area Codes:
603
,
802
Phone Prefixes:
719
Phone Numbers:
333,238
Phone Number Prefixes In The 603 Area Code
Phone Prefix
Location
Carrier
603-601-XXXX
Hampton
Paetec Communications Inc - NH
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603-625-XXXX
Manchester
Northern New England Telephone Operations LLC dba FairPoint Comm - NH
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603-502-XXXX
Portsmouth
New Cingular Wireless PCS LLC - DC
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603-532-XXXX
Jaffrey
Paetec Communications Inc - NH
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603-616-XXXX
Littleton
United States Cellular - NH
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603-837-XXXX
Whitefield
Paetec Communications Inc - NH
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603-631-XXXX
Lancaster
United States Cellular - NH
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603-505-XXXX
Derry
Bell Atlantic NYNEX Mobile
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