Alton Bay, NH

ZIP code 03810 covers the town of Alton, situated in Belknap County, New Hampshire. This picturesque area is known for its stunning Lake Winnipesaukee, the largest lake in the state. Alton Bay, a popular spot for boating and swimming, attracts many tourists during the warmer months. The town also boasts Mount Major, a prominent hiking destination offering panoramic views of the surrounding landscape.