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zipcodes.pro — ZIP/03218

03218

ZIP 03218 is Barnstead, New Hampshire, in Belknap County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Belknap
Metro area
Laconia, NH
Population
1,160
Coordinates
43.3369, -71.2738
☼ Live from 03218 — Barnstead, NH

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Where 03218 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 03218
  • 🔢 Type 03218 into a pocket calculator and turn it upside down: BIZEO — not quite a word, sorry.
  • ➕ As a number, 3,218 = 2 × 1609. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110010010010
  • 🏠 Its numerical neighbours: 03217 (Ashland, NH, 33 mi away) and 03220 (Belmont, NH, 14 mi away).
  • 🔄 Backwards, 03218 becomes 81230 — and that is a real ZIP code: Gunnison, CO, 1,881 miles away.
  • 👥 70 other ZIP codes are made of exactly the same digits (01238, 01832, 02138, 02381, 02813, 02831, …). The farthest-flung twin is 83210 in Aberdeen, ID, 2,074 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther east than 96%.
  • 🎯1,425 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03218 and you would come out at 43.34°S, 108.73°E — 877 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
  • 📏 At 15.3 square miles of land, 03218 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
🌙 The sky over 03218 today
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🌋 Shake report
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Source: USGS.

People and housing

Population1,160This ZIP1,160
Households432This ZIP432
Housing units432This ZIP432
Median age42.7This ZIP42.7New Hampshire43.3US 38.9
Median household income$112,500This ZIP$112,500New Hampshire$99,031US $80,734
Median home value$346,900This ZIP$346,900New Hampshire$402,500US $332,700
Median gross rent$1,469This ZIP$1,469New Hampshire$1,491US $1,413
Bachelor's degree or higher32.5%This ZIP32.5%
Mean commute31.4 minThis ZIP31.4 min
Population density75.8 / sq miThis ZIP75.8 / sq mi

Business and tax activity

Business establishments15This ZIP15
Employees47This ZIP47
Annual payroll$2,047,000This ZIP$2,047,000
Tax returns filed680This ZIP680
Total adjusted gross income$47,200,000This ZIP$47,200,000

Land area

Land area15.30 sq miThis ZIP15.30 sq mi
Water area0.20 sq miThis ZIP0.20 sq mi

ZIP codes near 03218

ZIPCityDistance
03225 Center Barnstead, NH 2.5 mi
03263 Pittsfield, NH 3.8 mi
03837 Gilmanton Iron Works, NH 6.7 mi
03884 Strafford, NH 6.7 mi
03258 Chichester, NH 8.4 mi
03307 Loudon, NH 8.7 mi
03237 Gilmanton, NH 8.7 mi
03261 Northwood, NH 9.0 mi
03809 Alton, NH 9.6 mi
03815 Center Strafford, NH 9.8 mi

Find every ZIP code within 10 miles of 03218 →

Questions about this ZIP code

Where is ZIP code 03218?

03218 is in Barnstead, New Hampshire, in Belknap County, part of the Laconia, NH micropolitan area. Its published point location is 43.3369, -71.2738.

What county is 03218 in?

03218 lies in Belknap County.

What area code is 03218?

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

What time zone is 03218 in?

03218 uses America/New_York.

How many people live in 03218?

About 1,160 people live in ZIP code 03218, in 432 households, at 75.8 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 03218?

$112,500 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03218?

The closest are 03225 (2.5 mi), 03263 (3.8 mi), 03837 (6.7 mi), 03884 (6.7 mi) and 03258 (8.4 mi).

Is 03218 a PO Box ZIP code?

03218 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03218 ZIP Code — Barnstead, New Hampshire (Belknap County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03218

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