ZIP Code 03810 – Alton Bay, New Hampshire | ZipsCode.us
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ZIP Code 03810
Alton Bay, New Hampshire · Belknap
ZIP code 03810 belongs to the city of Alton Bay in New Hampshire (Belknap). See all New Hampshire ZIP Codes.
ZIP code 03810 belongs to Alton Bay, New Hampshire, in Belknap. If you are mailing a letter or package to this area, use Alton Bay, NH 03810 in the address. On this page you will find the city and county for 03810, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 03810?
The city for ZIP code 03810 is Alton Bay, New Hampshire. When you write an address in this area, the correct format is: Name, Street Address, Alton Bay, NH 03810.
ZIP Code 03810 County and State
ZIP code 03810 is located in Belknap, New Hampshire. For a complete list of cities and ZIP codes across the state, see the New Hampshire ZIP Codes page.
Nearby ZIP Codes in Belknap
These ZIP codes are in the same county as 03810:
ZIP Code 03810 on the Map
The map below shows the approximate center of ZIP code 03810, near Alton Bay, New Hampshire. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 43.4845, -71.2489). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 03810
According to public U.S. Census Bureau data, ZIP code 03810 is home to a community in New Hampshire. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 03810
Need the full ZIP+4 code for a specific street address in Alton Bay? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 03810?
ZIP code 03810 is for Alton Bay, New Hampshire.
What county is ZIP code 03810 in?
ZIP code 03810 is in Belknap, New Hampshire.
What state is ZIP code 03810 in?
ZIP code 03810 is in New Hampshire (NH).
How do I find the ZIP+4 for an address in 03810?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 03810?
Nearby ZIP codes include 03218 (Barnstead), 03220 (Belmont), 03225 (Center Barnstead), 03226 (Center Harbor), 03237 (Gilmanton).
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