Sullivan County, New Hampshire ZIP Codes
- ZIP records
15 - Cities represented
15 - Sum of listed ZIP population estimates
42,802
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 03743 | Claremont | 13,704 |
| 2 | 03773 | Newport | 7,681 |
| 3 | 03603 | Charlestown | 5,238 |
| 4 | 03753 | Grantham | 3,509 |
| 5 | 03782 | Sunapee | 3,122 |
| 6 | 03781 | Plainfield | 1,918 |
| 7 | 03745 | Cornish | 1,816 |
| 8 | 03280 | Washington | 1,224 |
| 9 | 03752 | Goshen | 1,042 |
| 10 | 03605 | Lempster | 907 |
Cities in Sullivan County
- Acworth
- Charlestown
- Claremont
- Cornish
- Georges Mills
- Goshen
- Grantham
- Lempster
- Meriden
- Newport
- Plainfield
- South Acworth
- Springfield
- Sunapee
- Washington
ZIP Directory
- ZIP 03280
- ZIP 03284
- ZIP 03601
- ZIP 03603
- ZIP 03605
- ZIP 03607
- ZIP 03743
- ZIP 03745
- ZIP 03751
- ZIP 03752
- ZIP 03753
- ZIP 03770
- ZIP 03773
- ZIP 03781
- ZIP 03782
Browse all ZIP data for New Hampshire
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.