There are 36 zip codes in Grafton County, New Hampshire. The most populated is 3766, located in Lebanon. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 03766 | 10,334 | Lebanon |
| 03755 | 10,170 | Hanover |
| 03264 | 6,917 | Plymouth |
| 03561 | 6,021 | Littleton |
| 03222 | 5,894 | Bristol |
| 03748 | 4,547 | Enfield |
| 03784 | 4,181 | West Lebanon |
| 03741 | 4,164 | Canaan |
| 03223 | 3,380 | Campton |
| 03285 | 2,715 | Thornton |
| 03585 | 2,557 | Lisbon |
| 03574 | 2,528 | Bethlehem |
| 03217 | 2,239 | Ashland |
| 03785 | 2,154 | Woodsville |
| 03245 | 2,125 | Holderness |
| 03266 | 1,929 | Rumney |
| 03774 | 1,770 | North Haverhill |
| 03768 | 1,684 | Lyme |
| 03251 | 1,474 | Lincoln |
| 03580 | 1,425 | Franconia |
| 03777 | 1,313 | Orford |
| 03240 | 1,200 | Grafton |
| 03262 | 1,194 | North Woodstock |
| 03241 | 1,144 | Hebron |
| 03282 | 1,083 | Wentworth |
| 03740 | 1,077 | Bath |
| 03750 | 1,035 | Etna |
| 03771 | 856 | Monroe |
| 03779 | 849 | Piermont |
| 03279 | 763 | Warren |
| 03780 | 637 | Pike |
| 03586 | 633 | Sugar Hill |
| 03765 | 469 | Haverhill |
| 03215 | 248 | Waterville Valley |
| 03238 | 81 | Glencliff |
| 03293 | 57 | Woodstock |