| Locality | Post Code |
|---|---|
| Barrington, Strafford | 03825 |
| Center Strafford, Strafford | 03815 |
| Dover, Strafford | 03820 |
| Durham, Strafford | 03824 |
| East Rochester, Strafford | 03868 |
| Farmington, Strafford | 03835 |
| Gonic, Strafford | 03839 |
| Lee, Strafford | 03861 |
| Madbury, Strafford | 03823 |
| Middleton, Strafford | 03887 |
| Milton, Strafford | 03851 |
| Milton Mills, Strafford | 03852 |
| New Durham, Strafford | 03855 |
| Rochester, Strafford | 03839, 03867, 03868 |
| Rollinsford, Strafford | 03869 |
| Somersworth, Strafford | 03878 |
| Strafford, Strafford | 03884 |
| New Hampshire Postal Codes | |
|---|---|
| Sullivan | Strafford |
| Rockingham | Merrimack |
| Hillsborough | Grafton |
| Coos | Cheshire |
| Carroll | Belknap |