ZIP code · Alton Bay · New Hampshire · United States

ZIP code 03810 — Alton Bay

Name: Alton Bay (03810)
Address: New Hampshire, 03810, US

ZIP code 03810 serves Alton Bay, New Hampshire.

Postal code: 03810
Single source Value from one source, not cross-checked.
City: Alton Bay
County: Belknap
State: New Hampshire
Country: United States
Coordinates: 43.4845, -71.2489 — precision precise (locality)
View on OpenStreetMap

Nearby localities

03809Alton · 2.8 km
03837Gilmanton Iron Works
03855New Durham · 9.9 km
03896Wolfeboro Falls · 12 km
03894Wolfeboro · 13 km
03225Center Barnstead · 14 km
03249Gilford · 15 km
03887Union · 15 km
03237Gilmanton · 15 km
03298Tilton · 17 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page