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zipcodes.pro — ZIP/03810

03810

ZIP 03810 is Alton Bay, New Hampshire, in Belknap County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Belknap
Metro area
Laconia, NH
Population
2,314
Coordinates
43.5126, -71.2949
☼ Live from 03810 — Alton Bay, NH

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Where 03810 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.

★ Weird and wonderful facts about 03810
  • 🔢 Type 03810 into a pocket calculator and turn it upside down: OIBEO — not quite a word, sorry.
  • ➕ As a number, 3,810 = 2 × 3 × 5 × 127. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111011100010
  • 🏠 Its numerical neighbours: 03809 (Alton, NH, 6 mi away) and 03811 (Atkinson, NH, 47 mi away).
  • 🔄 Backwards, 03810 becomes 01830 — and that is a real ZIP code: Haverhill, MA, 51 miles away.
  • 👥 34 other ZIP codes are made of exactly the same digits (00831, 01038, 01083, 01380, 01803, 01830, …). The farthest-flung twin is 83001 in Jackson, WY, 1,954 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther east than 96%.
  • 🎯1,424 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03810 and you would come out at 43.51°S, 108.71°E — 888 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
  • 📏 At 23.6 square miles of land, 03810 is bigger than 41% of ZIP codes — room for about 18 Central Parks.
🌙 The sky over 03810 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,314This ZIP2,314
Households826This ZIP826
Housing units2,675This ZIP2,675
Median age57.0This ZIP57.0New Hampshire43.3US 38.9
Median household income$148,261This ZIP$148,261New Hampshire$99,031US $80,734
Median home value$569,200This ZIP$569,200New Hampshire$402,500US $332,700
Bachelor's degree or higher43.1%This ZIP43.1%
Mean commute26.8 minThis ZIP26.8 min
Population density98.1 / sq miThis ZIP98.1 / sq mi

Business and tax activity

Business establishments42This ZIP42
Employees506This ZIP506
Annual payroll$23,242,000This ZIP$23,242,000
Tax returns filed1,100This ZIP1,100
Total adjusted gross income$161,053,000This ZIP$161,053,000

Land area

Land area23.58 sq miThis ZIP23.58 sq mi
Water area18.64 sq miThis ZIP18.64 sq mi

Other place names in 03810

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 03810

ZIPCityDistance
03249 Gilford, NH 4.1 mi
03809 Alton, NH 5.8 mi
03896 Wolfeboro Falls, NH 6.5 mi
03837 Gilmanton Iron Works, NH 6.6 mi
03237 Gilmanton, NH 7.3 mi
03298 Tilton, NH 7.6 mi
03299 Tilton, NH 7.6 mi
03855 New Durham, NH 7.9 mi
03853 Mirror Lake, NH 8.7 mi
03894 Wolfeboro, NH 8.9 mi

Find every ZIP code within 10 miles of 03810 →

Questions about this ZIP code

Where is ZIP code 03810?

03810 is in Alton Bay, New Hampshire, in Belknap County, part of the Laconia, NH micropolitan area. Its published point location is 43.5126, -71.2949.

What county is 03810 in?

03810 lies in Belknap County.

What area code is 03810?

Alton Bay uses area code 603, from NANPA's telephone records.

What time zone is 03810 in?

03810 uses America/New_York.

How many people live in 03810?

About 2,314 people live in ZIP code 03810, in 826 households, at 98.1 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 03810?

$148,261 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03810?

The closest are 03249 (4.1 mi), 03809 (5.8 mi), 03896 (6.5 mi), 03837 (6.6 mi) and 03237 (7.3 mi).

Is 03810 a PO Box ZIP code?

03810 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03810 ZIP Code — Alton Bay, New Hampshire (Belknap County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03810

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