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zipcodes.pro — ZIP/03809

03809

ZIP 03809 is Alton, New Hampshire, in Belknap County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Belknap
Metro area
Laconia, NH
Population
3,680
Coordinates
43.4647, -71.2002
☼ Live from 03809 — Alton, NH

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Where 03809 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 03809
  • 🔢 Type 03809 into a pocket calculator and turn it upside down: GOBEO — not quite a word, sorry.
  • ➕ As a number, 3,809 = 13 × 293. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111011100001
  • 🏠 Its numerical neighbours: 03804 (Portsmouth, NH, 35 mi away) and 03810 (Alton Bay, NH, 6 mi away).
  • 🔄 Backwards, 03809 becomes 90830, which is not a ZIP code at all.
  • 👥 23 other ZIP codes are made of exactly the same digits (00938, 00983, 03890, 03908, 08039, 08093, …). The farthest-flung twin is 09803 in APO AE, a military post office, 6,303 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther east than 96%.
  • 🎯1,429 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03809 and you would come out at 43.46°S, 108.80°E — 883 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
  • 📏 At 40.1 square miles of land, 03809 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
🌙 The sky over 03809 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,680This ZIP3,680
Households1,427This ZIP1,427
Housing units1,939This ZIP1,939
Median age51.1This ZIP51.1New Hampshire43.3US 38.9
Median household income$106,397This ZIP$106,397New Hampshire$99,031US $80,734
Median home value$387,500This ZIP$387,500New Hampshire$402,500US $332,700
Bachelor's degree or higher30.9%This ZIP30.9%
Mean commute36.9 minThis ZIP36.9 min
Population density91.8 / sq miThis ZIP91.8 / sq mi

Business and tax activity

Business establishments88This ZIP88
Employees752This ZIP752
Annual payroll$31,588,000This ZIP$31,588,000
Tax returns filed2,120This ZIP2,120
Total adjusted gross income$220,674,000This ZIP$220,674,000

Land area

Land area40.08 sq miThis ZIP40.08 sq mi
Water area0.84 sq miThis ZIP0.84 sq mi

Other place names in 03809

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

ZIP codes near 03809

ZIPCityDistance
03855 New Durham, NH 2.4 mi
03810 Alton Bay, NH 5.8 mi
03887 Union, NH 6.6 mi
03225 Center Barnstead, NH 7.3 mi
03837 Gilmanton Iron Works, NH 7.4 mi
03896 Wolfeboro Falls, NH 8.7 mi
03851 Milton, NH 9.0 mi
03218 Barnstead, NH 9.6 mi
03249 Gilford, NH 9.6 mi
03835 Farmington, NH 9.7 mi

Find every ZIP code within 10 miles of 03809 →

Questions about this ZIP code

Where is ZIP code 03809?

03809 is in Alton, New Hampshire, in Belknap County, part of the Laconia, NH micropolitan area. Its published point location is 43.4647, -71.2002.

What county is 03809 in?

03809 lies in Belknap County.

What area code is 03809?

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

What time zone is 03809 in?

03809 uses America/New_York.

How many people live in 03809?

About 3,680 people live in ZIP code 03809, in 1,427 households, at 91.8 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 03809?

$106,397 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03809?

The closest are 03855 (2.4 mi), 03810 (5.8 mi), 03887 (6.6 mi), 03225 (7.3 mi) and 03837 (7.4 mi).

Is 03809 a PO Box ZIP code?

03809 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03809 ZIP Code — Alton, New Hampshire (Belknap County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03809

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