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zipcodes.pro — ZIP/03240

03240

ZIP 03240 is Grafton, New Hampshire, in Grafton County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Grafton
Population
1,354
Coordinates
43.5747, -71.9519
☼ Live from 03240 — Grafton, NH

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Where 03240 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 03240
  • 🔢 Type 03240 into a pocket calculator and turn it upside down: OhZEO — not quite a word, sorry.
  • ➕ As a number, 3,240 = 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5. Its digits add up to 9, a total 375 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110010101000
  • 🏠 Its numerical neighbours: 03238 (Glencliff, NH, 28 mi away) and 03241 (Hebron, NH, 11 mi away).
  • 🔄 Backwards, 03240 becomes 04230 — and that is a real ZIP code: East Poland, ME, 88 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (02043, 02304, 02340, 03042, 04032, 04230, …). The farthest-flung twin is 34020 in APO AA, a military post office, 2,436 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther east than 95%.
  • 🎯1,392 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03240 and you would come out at 43.57°S, 108.05°E — 908 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
  • 📏 At 41.5 square miles of land, 03240 is bigger than 54% of ZIP codes — room for about 31 Central Parks.
🌙 The sky over 03240 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,354This ZIP1,354
Households534This ZIP534
Housing units689This ZIP689
Median age43.1This ZIP43.1New Hampshire43.3US 38.9
Median household income$81,563This ZIP$81,563New Hampshire$99,031US $80,734
Median home value$267,300This ZIP$267,300New Hampshire$402,500US $332,700
Median gross rent$1,243This ZIP$1,243New Hampshire$1,491US $1,413
Bachelor's degree or higher24.7%This ZIP24.7%
Mean commute43.2 minThis ZIP43.2 min
Population density32.6 / sq miThis ZIP32.6 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees13This ZIP13
Annual payroll$581,000This ZIP$581,000
Tax returns filed680This ZIP680
Total adjusted gross income$43,901,000This ZIP$43,901,000

Land area

Land area41.47 sq miThis ZIP41.47 sq mi
Water area0.93 sq miThis ZIP0.93 sq mi

ZIP codes near 03240

ZIPCityDistance
03230 Danbury, NH 5.4 mi
03749 Enfield Center, NH 6.7 mi
03741 Canaan, NH 7.6 mi
03284 Springfield, NH 7.7 mi
03748 Enfield, NH 8.6 mi
03222 Bristol, NH 9.0 mi
03287 Wilmot, NH 9.2 mi
03243 Hill, NH 9.7 mi
03233 Elkins, NH 10.5 mi
03753 Grantham, NH 10.7 mi

Find every ZIP code within 10 miles of 03240 →

Questions about this ZIP code

Where is ZIP code 03240?

03240 is in Grafton, New Hampshire, in Grafton County, part of the Lebanon-Claremont, NH-VT micropolitan area. Its published point location is 43.5747, -71.9519.

What county is 03240 in?

03240 lies in Grafton County.

What area code is 03240?

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

What time zone is 03240 in?

03240 uses America/New_York.

How many people live in 03240?

About 1,354 people live in ZIP code 03240, in 534 households, at 32.6 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 03240?

$81,563 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03240?

The closest are 03230 (5.4 mi), 03749 (6.7 mi), 03741 (7.6 mi), 03284 (7.7 mi) and 03748 (8.6 mi).

Is 03240 a PO Box ZIP code?

03240 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03240 ZIP Code — Grafton, New Hampshire (Grafton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03240

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