| Locality | Post Code |
|---|---|
| Northfield, Merrimack | 03276 |
| Pembroke, Merrimack | 03275 |
| Penacook, Merrimack | 03303 |
| Pittsfield, Merrimack | 03263 |
| Salisbury, Merrimack | 03268 |
| South Newbury, Merrimack | 03272 |
| South Sutton, Merrimack | 03273 |
| Suncook, Merrimack | 03275 |
| Sutton, Merrimack | 03221, 03257, 03278, 03287 |
| Warner, Merrimack | 03278 |
| Webster, Merrimack | 03303 |
| West Franklin, Merrimack | 03235 |
| Wilmot, Merrimack | 03287 |
| Wilmot Flat, Merrimack | 03287 |
| New Hampshire Postal Codes | |
|---|---|
| Sullivan | Strafford |
| Rockingham | Merrimack |
| Hillsborough | Grafton |
| Coos | Cheshire |
| Carroll | Belknap |