Cities and Towns in Merrimack County, New Hampshire
Founded in 1823, Merrimack County is one of 10 counties in the state of New Hampshire. Historically, Merrimack County was formed from parts of Hillsborough County and Rockingham County. The city of Concord is the county seat. With FIPS code of 13, Merrimack County has a population of 153,808 and area of 934 square miles (2,419 km²).
List of all cities in Merrimack County, NH alphabetically
| City/Town | Postal Code | Area Code |
| Allenstown, NH | 03275 | 603 |
| Andover, NH | 03216 | 603 |
| Boscawen, NH | 03303 | 603 |
| Bow, NH | 03304 | 603 |
| Bradford, NH | 03221 | 603 |
| Canterbury, NH | 03224 | 603 |
| Chichester, NH | 03258 | 603 |
| Concord, NH | 03301 | 603 |
| 03302 | 603 | |
| 03303 | 603 | |
| 03304 | 603 | |
| 03305 | 603 | |
| 03307 | 603 | |
| Contoocook, NH | 03229 | 603 |
| Danbury, NH | 03230 | 603 |
| Dunbarton, NH | 03046 | 603 |
| East Andover, NH | 03231 | 603 |
| Elkins, NH | 03233 | 603 |
| Epsom, NH | 03234 | 603 |
| Franklin, NH | 03235 | 603 |
| Goffstown, NH | 03046 | 603 |
| Henniker, NH | 03242 | 603 |
| Hill, NH | 03243 | 603 |
| Hooksett, NH | 03106 | 603 |
| Hopkinton, NH | 03229 | 603 |
| Loudon, NH | 03307 | 603 |
| Manchester, NH | 03106 | 603 |
| Mount Sunapee, NH | 03255 | 603 |
| New London, NH | 03257 | 603 |
| Newbury, NH | 03255 | 603 |
| Newbury, NH | 03272 | 603 |
| Nh Dept of Safety, NH | 03305 | 603 |
| North Chichester, NH | 03258 | 603 |
| North Sutton, NH | 03260 | 603 |
| Pembroke, NH | 03275 | 603 |
| Penacook, NH | 03303 | 603 |
| Pittsfield, NH | 03263 | 603 |
| Salisbury, NH | 03268 | 603 |
| South Newbury, NH | 03272 | 603 |
| South Sutton, NH | 03273 | 603 |
| Suncook, NH | 03275 | 603 |
| Sutton, NH | 03221 | 603 |
| 03257 | 603 | |
| 03278 | 603 | |
| 03287 | 603 | |
| Warner, NH | 03278 | 603 |
| Webster, NH | 03303 | 603 |
| West Franklin, NH | 03235 | 603 |
| Wilmot, NH | 03287 | 603 |
| Wilmot Flat, NH | 03287 | 603 |
