List of ZIP Codes in Sullivan County
The following table lists ZIP Codes associated with Sullivan County, New Hampshire, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.
| S.N. | Zip Code | Latitude | Longitude | City | Population | Density |
|---|---|---|---|---|---|---|
| 1 | 03280 | 43.18339 | -72.08979 | Washington | 1,188 | 10.1 |
| 2 | 03284 | 43.49361 | -72.03057 | Springfield | 854 | 8.6 |
| 3 | 03601 | 43.23933 | -72.29855 | Acworth | 407 | 10.1 |
| 4 | 03603 | 43.25339 | -72.38059 | Charlestown | 5,272 | 46.0 |
| 5 | 03605 | 43.22815 | -72.18032 | Lempster | 863 | 10.6 |
| 6 | 03607 | 43.19698 | -72.26084 | South Acworth | 315 | 7.4 |
| 7 | 03743 | 43.36026 | -72.32489 | Claremont | 13,673 | 89.3 |
| 8 | 03745 | 43.47407 | -72.32001 | Cornish | 1,771 | 16.3 |
| 9 | 03751 | 43.44363 | -72.08394 | Georges Mills | 382 | 73.8 |
| 10 | 03752 | 43.28909 | -72.11489 | Goshen | 982 | 17.0 |
| 11 | 03753 | 43.51534 | -72.14798 | Grantham | 3,478 | 47.6 |
| 12 | 03770 | 43.5336 | -72.26469 | Meriden | 576 | 50.5 |
| 13 | 03773 | 43.38484 | -72.19898 | Newport | 7,905 | 32.4 |
| 14 | 03781 | 43.5526 | -72.28399 | Plainfield | 1,917 | 15.5 |
| 15 | 03782 | 43.38962 | -72.09149 | Sunapee | 3,104 | 59.0 |
About Sullivan County ZIP Codes
Sullivan County in New Hampshire (NH) is served by approximately 15 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.
Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 42,687 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.
Many of the most significant population centers in Sullivan County are located in cities such as Claremont, Newport, Charlestown, Grantham, Sunapee. These cities and towns help define the economic and demographic character of the county.
Most ZIP Codes in Sullivan County, New Hampshire follow the America/New_York time zone.