Exchanges in Area Code 603 (New Hampshire) information:

603 - New Hampshire

Wikipedia article on Area Code 603
Wikipedia article on New Hampshire

Select an Area Code + Exchange:

• 603-434 Rockingham, Derry
  Zip:03038 Eastern
• 603-332 Strafford, Rochester
  Zip:03867 Eastern
• 603-524 Belknap, Laconia
  Zip:03246 Eastern
• 603-224 Merrimack, Concord
  Zip:03301 Eastern
• 603-673 Hillsborough, Milford
  Zip:03055 Eastern
• 603-669 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-893 Rockingham, Salem
  Zip:03079 Eastern
• 603-882 Hillsborough, Nashua
  Zip:03060 Eastern
• 603-668 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-432 Rockingham, Derry
  Zip:03038 Eastern
• 603-883 Hillsborough, Nashua
  Zip:03051 Eastern
• 603-352 Cheshire, Keene
  Zip:03431 Eastern
• 603-382 Rockingham, Plaistow
  Zip:03865 Eastern
• 603-742 Strafford, Dover
  Zip:03820 Eastern
• 603-436 Rockingham, Newington
  Zip:03801 Eastern
• 603-889 Hillsborough, Nashua
  Zip:03051 Eastern
• 603-424 Hillsborough, Merrimack
  Zip:03054 Eastern
• 603-898 Rockingham, Salem
  Zip:03079 Eastern
• 603-622 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-772 Rockingham, Brentwood
  Zip:03833 Eastern
• 603-863 Sullivan, Croydon
  Zip:03773 Eastern
• 603-569 Carroll, Brookfield
  Zip:03894 Eastern
• 603-623 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-225 Merrimack, Concord
  Zip:03301 Eastern
• 603-437 Rockingham, Derry
  Zip:03038 Eastern
• 603-627 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-431 Rockingham, Newington
  Zip:03801 Eastern
• 603-926 Rockingham, Hampton
  Zip:03842 Eastern
• 603-888 Hillsborough, Nashua
  Zip:03062 Eastern
• 603-672 Hillsborough, Milford
  Zip:03055 Eastern
• 603-335 Strafford, Rochester
  Zip:03867 Eastern
• 603-624 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-542 Sullivan, Claremont
  Zip:03743 Eastern
• 603-228 Merrimack, Concord
  Zip:03301 Eastern
• 603-357 Cheshire, Keene
  Zip:03431 Eastern
• 603-539 Carroll, Center Ossipee
  Zip:03814 Eastern
• 603-880 Hillsborough, Nashua
  Zip:03051 Eastern
• 603-778 Rockingham, Brentwood
  Zip:03833 Eastern
• 603-752 Coos, Berlin
  Zip:03570 Eastern
• 603-448 Grafton, Lebanon
  Zip:03766 Eastern
• 603-749 Strafford, Dover
  Zip:03820 Eastern
• 603-895 Rockingham, Raymond
  Zip:03077 Eastern
• 603-444 Grafton, Littleton
  Zip:03561 Eastern
• 603-528 Belknap, Laconia
  Zip:03246 Eastern
• 603-356 Carroll, Hales Location
  Zip:03860 Eastern
• 603-934 Merrimack, Franklin
  Zip:03235 Eastern
• 603-964 Rockingham, North Hampton
  Zip:03862 Eastern
• 603-625 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-232 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-595 Hillsborough, Nashua
  Zip:03051 Eastern
• 603-279 Belknap, Meredith
  Zip:03253 Eastern
• 603-472 Hillsborough, Bedford
  Zip:03110 Eastern
• 603-642 Rockingham, Kingston
  Zip:03848 Eastern
• 603-744 Grafton, Alexandria
  Zip:03222 Eastern
• 603-659 Rockingham, Newmarket
  Zip:03857 Eastern
• 603-635 Hillsborough, Pelham
  Zip:03076 Eastern
• 603-536 Grafton, Bridgewater
  Zip:03264 Eastern
• 603-886 Hillsborough, Nashua
  Zip:03051 Eastern
• 603-924 Hillsborough, Peterborough
  Zip:03458 Eastern
• 603-643 Grafton, Hanover
  Zip:03755 Eastern
• 603-692 Strafford, Somersworth
  Zip:03878 Eastern
• 603-286 Belknap, Northfield
  Zip:03276 Eastern
• 603-485 Merrimack, Allenstown
  Zip:03275 Eastern
• 603-679 Rockingham, Epping
  Zip:03042 Eastern
• 603-878 Hillsborough, New Ipswich
  Zip:03071 Eastern
• 603-647 Hillsborough, Manchester
  Zip:03104 Eastern
• 603-433 Rockingham, Newington
  Zip:03801 Eastern
• 603-664 Strafford, Barrington
  Zip:03825 Eastern
• 603-226 Merrimack, Concord
  Zip:03301 Eastern
• 603-447 Carroll, Albany
  Zip:03818 Eastern
• 603-329 Rockingham, Hampstead
  Zip:03841 Eastern
• 603-474 Rockingham, Seabrook
  Zip:03874 Eastern
• 603-497 Hillsborough, Goffstown
  Zip:03045 Eastern
• 603-626 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-887 Rockingham, Sandown
  Zip:03873 Eastern
• 603-598 Hillsborough, Nashua
  Zip:03051 Eastern
• 603-641 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-929 Rockingham, Hampton
  Zip:03842 Eastern
• 603-661 Hillsborough, Manchester
  Zip:03053 Eastern
• 603-890 Rockingham, Salem
  Zip:03079 Eastern
• 603-526 Merrimack, New London
  Zip:03257 Eastern
• 603-644 Hillsborough, Manchester
  Zip:03103 Eastern
• 603-529 Hillsborough, Weare
  Zip:03281 Eastern
• 603-763 Sullivan, Sunapee
  Zip:03782 Eastern
• 603-235 Hillsborough, Manchester
  Zip:03079 Eastern
• 603-429 Hillsborough, Merrimack
  Zip:03054 Eastern
• 603-234 Hillsborough, Nashua
  Zip:03053 Eastern
• 603-343 Strafford, Dover
  Zip:03820 Eastern