Alton Bay zipcode
| City | Alton Bay |
| ZIP Code | 03810 |
| Type | Standard |
| State Code | NH |
| State | New Hampshire |
ZIP code of Alton Bay is 03810. This place is located in New Hampshire state in US. To send any postal service to Alton Bay, you must use 03810 zipcode.
You should avoid following 1 city name of New Hampshire to be used with the ZIP code 03810.
- West Alton, NH