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zipcodes.pro — ZIP/03811

03811

ZIP 03811 is Atkinson, New Hampshire, in Rockingham County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Rockingham
Population
7,267
Coordinates
42.8391, -71.1672
☼ Live from 03811 — Atkinson, NH

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Where 03811 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 03811
  • 🔢 Type 03811 into a pocket calculator and turn it upside down: IIBEO — not quite a word, sorry.
  • ➕ As a number, 3,811 = 37 × 103. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111011100011
  • 🏠 Its numerical neighbours: 03810 (Alton Bay, NH, 47 mi away) and 03812 (Bartlett, NH, 86 mi away).
  • 🔄 Backwards, 03811 becomes 11830, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (01138, 01813, 01831, 08311, 10138, 11380, …). The farthest-flung twin is 83110 in Afton, WY, 1,993 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther east than 96%.
  • 🎯1,431 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03811 and you would come out at 42.84°S, 108.83°E — 845 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
  • 📏 At 11.1 square miles of land, 03811 is bigger than 29% of ZIP codes — room for about 8.4 Central Parks.
🌙 The sky over 03811 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population7,267This ZIP7,267
Households2,945This ZIP2,945
Housing units3,024This ZIP3,024
Median age57.1This ZIP57.1New Hampshire43.3US 38.9
Median household income$146,380This ZIP$146,380New Hampshire$99,031US $80,734
Median home value$555,200This ZIP$555,200New Hampshire$402,500US $332,700
Median gross rent$1,140This ZIP$1,140New Hampshire$1,491US $1,413
Bachelor's degree or higher42.7%This ZIP42.7%
Mean commute28.2 minThis ZIP28.2 min
Population density653.4 / sq miThis ZIP653.4 / sq mi

Business and tax activity

Business establishments126This ZIP126
Employees1,243This ZIP1,243
Annual payroll$72,420,000This ZIP$72,420,000
Tax returns filed4,190This ZIP4,190
Total adjusted gross income$539,921,000This ZIP$539,921,000

Land area

Land area11.12 sq miThis ZIP11.12 sq mi
Water area0.18 sq miThis ZIP0.18 sq mi

ZIP codes near 03811

ZIPCityDistance
03073 North Salem, NH 2.7 mi
03841 Hampstead, NH 2.8 mi
01832 Haverhill, MA 3.7 mi
03865 Plaistow, NH 3.8 mi
03826 East Hampstead, NH 3.9 mi
03079 Salem, NH 4.5 mi
01831 Haverhill, MA 5.2 mi
01830 Haverhill, MA 6.5 mi
03858 Newton, NH 6.5 mi
03873 Sandown, NH 6.6 mi

Find every ZIP code within 10 miles of 03811 →

Questions about this ZIP code

Where is ZIP code 03811?

03811 is in Atkinson, New Hampshire, in Rockingham County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.8391, -71.1672.

What county is 03811 in?

03811 lies in Rockingham County.

What area code is 03811?

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

What time zone is 03811 in?

03811 uses America/New_York.

How many people live in 03811?

About 7,267 people live in ZIP code 03811, in 2,945 households, at 653.4 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 03811?

$146,380 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03811?

The closest are 03073 (2.7 mi), 03841 (2.8 mi), 01832 (3.7 mi), 03865 (3.8 mi) and 03826 (3.9 mi).

Is 03811 a PO Box ZIP code?

03811 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03811 ZIP Code — Atkinson, New Hampshire (Rockingham County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03811

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