| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR COUNTY |
| 03601 | Acworth | NH | Sullivan County | 410 | 37462 |
| 03603 | Charlestown | NH | Sullivan County | 4490 | |
| 03743 | Claremont | NH | Sullivan County | 11550 | |
| 03745 | Cornish | NH | Sullivan County | 1110 | |
| 03746 | Cornish Flat | NH | Sullivan County | 501 | |
| 03751 | Georges Mills | NH | Sullivan County | 538 | |
| 03752 | Goshen | NH | Sullivan County | 680 | |
| 03753 | Grantham | NH | Sullivan County | 3380 | |
| 03754 | Guild | NH | Sullivan County | 213 | |
| 03605 | Lempster | NH | Sullivan County | 900 | |
| 03770 | Meriden | NH | Sullivan County | 740 | |
| 03773 | Newport | NH | Sullivan County | 6690 | |
| 03781 | Plainfield | NH | Sullivan County | 1610 | |
| 03607 | South Acworth | NH | Sullivan County | 230 | |
| 03284 | Springfield | NH | Sullivan County | 780 | |
| 03782 | Sunapee | NH | Sullivan County | 2670 | |
| 03280 | Washington | NH | Sullivan County | 970 |