Alton Bay, NH
ZIP Codes in Alton Bay, New Hampshire
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 03810 | 2,286 | 43.5126, -71.2949 |
Alton Bay has 1 ZIP code
ZIP Codes in Alton Bay, New Hampshire
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 03810 | 2,286 | 43.5126, -71.2949 |