Where is Area Code 603?

Located in the state of New Hampshire (NH)

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 333,237 unique phone numbers near the cities of Claremont-Lebanon.
State:New Hampshire (NH)
Metro Area
Metro Area:Claremont-Lebanon
Nearby Area Codes
Nearby Area Codes:603, 802
Phone Prefixes
Phone Prefixes:719
Phone Numbers
Phone Numbers: 333,237

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