Alton Bay, NH zip code
Alton Bay, New Hampshire uses one zip code: 03810. Most of it is in Belknap County. Together these zip codes are home to about 2.3K people.
Zip codes
1
Population
2.3K
All zips combined
Largest zip
03810
2,314 residents
Zip codes in Alton Bay
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 03810 | 2,314 | $148,261 |