CallataGuidesLocal business phone numbers in New Hampshire
94 New Hampshire cities and towns with their area codes and NANPA-assigned exchanges.
New Hampshire at a glance
New Hampshire has 1 geographic area code in service (603), 752 assigned central office codes across 147 rate centers, and 49 carriers holding codes, according to NANPA. Each city page lists its area codes, prefixes and carriers.
Cities and towns
| Place | County | Population (2024) | Area codes | Exchanges |
|---|---|---|---|---|
| Manchester | Hillsborough County | 116,386 | 603 | 80 |
| Nashua | Hillsborough County | 91,851 | 603 | 58 |
| Concord | Merrimack County | 44,674 | 603 | 39 |
| Derry | Rockingham County | 34,062 | 603 | 29 |
| Dover | Strafford County | 33,909 | 603 | 29 |
| Rochester | Strafford County | 33,598 | 603 | 16 |
| Salem | Rockingham County | 31,673 | 603 | 20 |
| Merrimack | Hillsborough County | 29,367 | 603 | 23 |
| Bedford | Hillsborough County | 23,856 | 603 | 6 |
| Keene | Cheshire County | 23,036 | 603 | 17 |
| Portsmouth | Rockingham County | 22,938 | 603 | 28 |
| Goffstown | Hillsborough County | 18,488 | 603 | 4 |
| Laconia | Belknap County | 17,310 | 603 | 19 |
| Milford | Hillsborough County | 16,530 | 603 | 11 |
| Hampton | Rockingham County | 16,448 | 603 | 8 |
| Exeter | Rockingham County | 16,205 | 603 | 15 |
| Lebanon | Grafton County | 15,389 | 603 | 8 |
| Durham | Strafford County | 15,270 | 603 | 7 |
| Pelham | Hillsborough County | 14,685 | 603 | 3 |
| Claremont | Sullivan County | 13,105 | 603 | 8 |
| Somersworth | Strafford County | 12,218 | 603 | 3 |
| Hanover | Grafton County | 12,005 | 603 | 8 |
| Raymond | Rockingham County | 11,012 | 603 | 5 |
| Conway | Carroll County | 10,296 | 603 | 4 |
| Barrington | Strafford County | 9,629 | 603 | 3 |
| Newmarket | Rockingham County | 9,528 | 603 | 3 |
| Berlin | Coos County | 9,248 | 603 | 6 |
| Hampstead | Rockingham County | 9,156 | 603 | 4 |
| Franklin | Merrimack County | 8,823 | 603 | 2 |
| Hollis | Hillsborough County | 8,746 | 603 | 3 |
| Seabrook | Rockingham County | 8,432 | 603 | 4 |
| Plaistow | Rockingham County | 7,871 | 603 | 7 |
| Epping | Rockingham County | 7,797 | 603 | 3 |
| Belmont | Belknap County | 7,428 | 603 | 2 |
| Meredith | Belknap County | 6,829 | 603 | 6 |
| Farmington | Strafford County | 6,806 | 603 | 2 |
| Wolfeboro | Carroll County | 6,625 | 603 | 3 |
| Plymouth | Grafton County | 6,621 | 603 | 10 |
| Rindge | Cheshire County | 6,543 | 603 | 2 |
| Peterborough | Hillsborough County | 6,433 | 603 | 6 |
| Newport | Sullivan County | 6,418 | 603 | 5 |
| Kingston | Rockingham County | 6,293 | 603 | 3 |
| Henniker | Merrimack County | 6,267 | 603 | 2 |
| New Boston | Hillsborough County | 6,219 | 603 | 4 |
| Hillsborough | Hillsborough County | 6,089 | 603 | 2 |
| Alton | Belknap County | 6,051 | 603 | 2 |
| Littleton | Grafton County | 6,032 | 603 | 6 |
| Jaffrey | Cheshire County | 5,549 | 603 | 3 |
| Chester | Rockingham County | 5,322 | 603 | 2 |
| Barnstead | Belknap County | 5,036 | 603 | 2 |
| Epsom | Merrimack County | 5,020 | 603 | 2 |
| Deerfield | Rockingham County | 4,983 | 603 | 3 |
| Charlestown | Sullivan County | 4,919 | 603 | 2 |
| Northwood | Rockingham County | 4,702 | 603 | 2 |
| Milton | Strafford County | 4,572 | 603 | 2 |
| Enfield | Grafton County | 4,482 | 603 | 2 |
| New London | Merrimack County | 4,460 | 603 | 2 |
| Winchester | Cheshire County | 4,255 | 603 | 2 |
| Candia | Rockingham County | 4,218 | 603 | 3 |
| Boscawen | Merrimack County | 4,153 | 603 | 2 |
| Tilton | Belknap County | 4,116 | 603 | 4 |
| Canaan | Grafton County | 3,820 | 603 | 3 |
| Walpole | Cheshire County | 3,717 | 603 | 2 |
| Sunapee | Sullivan County | 3,459 | 603 | 5 |
| Campton | Grafton County | 3,434 | 603 | 3 |
| Bartlett | Carroll County | 3,323 | 603 | 2 |
| Bristol | Grafton County | 3,276 | 603 | 3 |
| Lancaster | Coos County | 3,212 | 603 | 5 |
| Warner | Merrimack County | 2,970 | 603 | 2 |
| Tamworth | Carroll County | 2,902 | 603 | 3 |
| New Durham | Strafford County | 2,814 | 603 | 2 |
| Chichester | Merrimack County | 2,811 | 603 | 2 |
| Antrim | Hillsborough County | 2,720 | 603 | 2 |
| Gorham | Coos County | 2,673 | 603 | 2 |
| Plainfield | Sullivan County | 2,550 | 603 | 2 |
| Canterbury | Merrimack County | 2,467 | 603 | 2 |
| Andover | Merrimack County | 2,450 | 603 | 2 |
| Troy | Cheshire County | 2,198 | 603 | 2 |
| Colebrook | Coos County | 2,100 | 603 | 4 |
| Sutton | Merrimack County | 2,067 | 603 | 2 |
| Greenville | Hillsborough County | 2,005 | 603 | 2 |
| Ashland | Grafton County | 1,954 | 603 | 2 |
| Alstead | Cheshire County | 1,925 | 603 | 2 |
| Lyme | Grafton County | 1,730 | 603 | 3 |
| Greenfield | Hillsborough County | 1,696 | 603 | 3 |
| Lisbon | Grafton County | 1,638 | 603 | 2 |
| Salisbury | Merrimack County | 1,504 | 603 | 2 |
| Milan | Coos County | 1,359 | 603 | 3 |
| Danbury | Merrimack County | 1,303 | 603 | 3 |
| Orford | Grafton County | 1,237 | 603 | 3 |
| Washington | Sullivan County | 1,213 | 603 | 2 |
| Jackson | Carroll County | 1,070 | 603 | 2 |
| Jefferson | Coos County | 1,060 | 603 | 2 |
| Center Harbor | Belknap County | 1,047 | 603 | 2 |
Places whose NANPA rate center could be matched to a Census place, with at least two exchanges. Sources: NANPA; Census Vintage 2024 estimates.