03220
ZIP 03220 is Belmont, New Hampshire, mostly in Belknap County; area code 603; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Belknap +1 more
- Metro area
- Laconia, NH
- Population
- 7,393
- Coordinates
- 43.4745, -71.4822
Weather right now
Asking the National Weather Service…
Where 03220 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 03220 into a pocket calculator and turn it upside down: OZZEO — not quite a word, sorry.
- ➕ As a number, 3,220 = 2 × 2 × 5 × 7 × 23. Its digits add up to 7, a total 150 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110010010100 - 🏠 Its numerical neighbours: 03218 (Barnstead, NH, 14 mi away) and 03221 (Bradford, NH, 28 mi away).
- 🔄 Backwards, 03220 becomes 02230, which is not a ZIP code at all.
- 👥 11 other ZIP codes are made of exactly the same digits (02032, 02203, 02302, 20032, 20203, 20230, …). The farthest-flung twin is 30220 in Grantville, GA, 1,009 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther east than 95%.
- 🎯1,415 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03220 and you would come out at 43.47°S, 108.52°E — 891 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
- 📏 At 30.3 square miles of land, 03220 is bigger than 46% of ZIP codes — room for about 23 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 7,393This ZIP7,393 |
|---|---|
| Households | 3,111This ZIP3,111 |
| Housing units | 3,677This ZIP3,677 |
| Median age | 47.2This ZIP47.2New Hampshire43.3US 38.9 |
| Median household income | $68,242This ZIP$68,242New Hampshire$99,031US $80,734 |
| Median home value | $316,200This ZIP$316,200New Hampshire$402,500US $332,700 |
| Median gross rent | $996This ZIP$996New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 19.1%This ZIP19.1% |
| Mean commute | 24.9 minThis ZIP24.9 min |
| Population density | 244.2 / sq miThis ZIP244.2 / sq mi |
Business and tax activity
| Business establishments | 177This ZIP177 |
|---|---|
| Employees | 1,703This ZIP1,703 |
| Annual payroll | $100,936,000This ZIP$100,936,000 |
| Tax returns filed | 3,750This ZIP3,750 |
| Total adjusted gross income | $275,858,000This ZIP$275,858,000 |
Land area
| Land area | 30.27 sq miThis ZIP30.27 sq mi |
|---|---|
| Water area | 1.94 sq miThis ZIP1.94 sq mi |
Counties 03220 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Belknap County | 98.8% |
| Merrimack County | 1.2% |
Other place names in 03220
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 03220
| ZIP | City | Distance |
|---|---|---|
03289 | Winnisquam, NH | 2.4 mi |
03252 | Lochmere, NH | 2.8 mi |
03298 | Tilton, NH | 3.9 mi |
03299 | Tilton, NH | 3.9 mi |
03276 | Tilton, NH | 5.6 mi |
03237 | Gilmanton, NH | 5.6 mi |
03249 | Gilford, NH | 6.2 mi |
03269 | Sanbornton, NH | 7.0 mi |
03246 | Laconia, NH | 7.1 mi |
03247 | Laconia, NH | 8.1 mi |
Find every ZIP code within 10 miles of 03220 →
Questions about this ZIP code
Where is ZIP code 03220?
03220 is in Belmont, New Hampshire, in Belknap County, part of the Laconia, NH micropolitan area. Its published point location is 43.4745, -71.4822.
What county is 03220 in?
03220 spans 2 counties: Belknap County and Merrimack County. Most of it falls in Belknap County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 03220?
Belmont uses area code 603, from NANPA's telephone records.
What time zone is 03220 in?
03220 uses America/New_York.
How many people live in 03220?
About 7,393 people live in ZIP code 03220, in 3,111 households, at 244.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 03220?
$68,242 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03220?
The closest are 03289 (2.4 mi), 03252 (2.8 mi), 03298 (3.9 mi), 03299 (3.9 mi) and 03276 (5.6 mi).
Is 03220 a PO Box ZIP code?
03220 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03220 ZIP Code — Belmont, New Hampshire (Belknap County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03220
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03220.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.