Alton, NH
ZIP Codes in Alton, New Hampshire
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 03809 | 3,617 | 43.4647, -71.2002 |
Alton has 1 ZIP code
ZIP Codes in Alton, New Hampshire
January 21, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 03809 | 3,617 | 43.4647, -71.2002 |