Where is Area Code 603?

Located in the state of New Hampshire (NH)

Area Code 603

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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 333,193 unique phone numbers near the cities of Claremont-Lebanon.
State
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: 333,193

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