| Localité | Code postal |
|---|---|
| Berlin, Coos | 03570 |
| Bretton Woods, Coos | 03575 |
| Carroll, Coos | 03598 |
| Clarksville, Coos | 03592 |
| Colebrook, Coos | 03576 |
| Columbia, Coos | 03576, 03590 |
| Dalton, Coos | 03598 |
| Dixville, Coos | 03576 |
| Dixville Notch, Coos | 03576 |
| Dummer, Coos | 03588 |
| Errol, Coos | 03579 |
| Gorham, Coos | 03581 |
| Groveton, Coos | 03582 |
| Jefferson, Coos | 03583 |
| Lancaster, Coos | 03584 |
| Milan, Coos | 03588 |
| Mount Washington, Coos | 03589 |
| North Stratford, Coos | 03590 |
| Northumberland, Coos | 03582, 03583, 03584 |
| Pittsburg, Coos | 03592 |
| Randolph, Coos | 03593 |
| Shelburne, Coos | 03581 |
| Stark, Coos | 03582 |
| Stewartstown, Coos | 03576 |
| Stratford, Coos | 03590 |
| Twin Mountain, Coos | 03595 |
| Codes postaux en New Hampshire | |
|---|---|
| Sullivan | Strafford |
| Rockingham | Merrimack |
| Hillsborough | Grafton |
| Coos | Cheshire |
| Carroll | Belknap |