About 03220 - Belmont, New Hampshire
The ZIP code 03220 of Belmont falls within New Hampshire, the United States - a mid-sized area by population. It sits within Belmont County County.
Around 37,441 people live in the 03220 ZIP code area. That's noticeably above the average for a New Hampshire ZIP code, which sits near 21,821 people.
Median household income is about $102,700 (above the New Hampshire average).
Other ZIP code codes in New Hampshire serve areas such as Groveton, Milford, East Hampstead.