About New Hampshire Area Code 603
The
603 area code is used in every New Hampshire city.
Nearby area codes are
207,
351,
413,
802 and
978.
Search for a phone number:
Extended information
North American area code 603 is New Hampshire's sole area code. 603 was created as one of the original area codes in October, 1947.
603 Area Code Exchanges 964-999:
603-964-xxxx 603-965-xxxx 603-966-xxxx 603-967-xxxx 603-968-xxxx 603-969-xxxx 603-970-xxxx 603-971-xxxx 603-972-xxxx 603-973-xxxx 603-974-xxxx 603-975-xxxx 603-976-xxxx 603-977-xxxx 603-978-xxxx 603-979-xxxx 603-980-xxxx 603-981-xxxx 603-982-xxxx 603-983-xxxx 603-984-xxxx 603-985-xxxx 603-986-xxxx 603-987-xxxx 603-988-xxxx 603-989-xxxx 603-990-xxxx 603-991-xxxx 603-992-xxxx 603-993-xxxx 603-994-xxxx 603-995-xxxx 603-996-xxxx 603-997-xxxx 603-998-xxxx 603-999-xxxx
