| Locality | Post Code |
|---|---|
| Allenstown, Merrimack | 03275 |
| Andover, Merrimack | 03216 |
| Boscawen, Merrimack | 03303 |
| Bow, Merrimack | 03304 |
| Bradford, Merrimack | 03221 |
| Canterbury, Merrimack | 03224 |
| Chichester, Merrimack | 03258 |
| Concord, Merrimack | 03301, 03303 |
| Contoocook, Merrimack | 03229 |
| Danbury, Merrimack | 03230 |
| Dunbarton, Merrimack | 03046 |
| East Andover, Merrimack | 03231 |
| Elkins, Merrimack | 03233 |
| Epsom, Merrimack | 03234 |
| Franklin, Merrimack | 03235 |
| Henniker, Merrimack | 03242 |
| Hill, Merrimack | 03243 |
| Hooksett, Merrimack | 03106 |
| Hopkinton, Merrimack | 03229 |
| Loudon, Merrimack | 03307 |
| Manchester, Merrimack | 03106 |
| Mount Sunapee, Merrimack | 03255 |
| New London, Merrimack | 03257 |
| Newbury, Merrimack | 03255 |
| North Chichester, Merrimack | 03258 |
| North Sutton, Merrimack | 03260 |
| New Hampshire Postal Codes | |
|---|---|
| Sullivan | Strafford |
| Rockingham | Merrimack |
| Hillsborough | Grafton |
| Coos | Cheshire |
| Carroll | Belknap |