ZIP Code 03810
Alton Bay · Belknap, New Hampshire
03810 is the ZIP code of Alton Bay in Belknap, New Hampshire, United States.
- ZIP Code
- 03810
- County
- Belknap
- State
- New Hampshire
- Country
- United States
Place with ZIP code 03810
| Place | County | Location |
|---|---|---|
| Alton Bay | Belknap | 43.484, -71.249 |
Near Boston
The nearest major city is Boston, about 126 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 03810?
Alton Bay.
Which county and state is 03810 in?
Belknap, New Hampshire, United States.
What is the nearest major city to 03810?
Boston, about 126 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.