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Where 03456 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.
- 🔢 Type 03456 into a pocket calculator and turn it upside down: gShEO — not quite a word, sorry.
- ➕ As a number, 3,456 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110110000000 - 🏠 Its numerical neighbours: 03455 (Marlborough, NH, 16 mi away) and 03457 (Nelson, NH, 11 mi away).
- 🔄 Backwards, 03456 becomes 65430, which is not a ZIP code at all.
- 👥 65 other ZIP codes are made of exactly the same digits (03465, 04563, 04635, 04653, 05346, 05463, …). The farthest-flung twin is 64503 in Saint Joseph, MO, 1,192 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther east than 94%.
- 🎯1,378 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03456 and you would come out at 43.14°S, 107.79°E — 889 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
- 📏 At 26.0 square miles of land, 03456 is bigger than 43% of ZIP codes — room for about 20 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 855This ZIP855 |
|---|---|
| Households | 324This ZIP324 |
| Housing units | 432This ZIP432 |
| Median age | 52.8This ZIP52.8New Hampshire43.3US 38.9 |
| Median household income | $110,455This ZIP$110,455New Hampshire$99,031US $80,734 |
| Median home value | $325,400This ZIP$325,400New Hampshire$402,500US $332,700 |
| Median gross rent | $1,154This ZIP$1,154New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 33.4%This ZIP33.4% |
| Mean commute | 35.1 minThis ZIP35.1 min |
| Population density | 32.9 / sq miThis ZIP32.9 / sq mi |
Business and tax activity
| Business establishments | 11This ZIP11 |
|---|---|
| Employees | 44This ZIP44 |
| Annual payroll | $1,977,000This ZIP$1,977,000 |
| Tax returns filed | 420This ZIP420 |
| Total adjusted gross income | $28,094,000This ZIP$28,094,000 |
Land area
| Land area | 25.98 sq miThis ZIP25.98 sq mi |
|---|---|
| Water area | 0.47 sq miThis ZIP0.47 sq mi |
ZIP codes near 03456
| ZIP | City | Distance |
|---|---|---|
03607 | South Acworth, NH | 4.9 mi |
03464 | Stoddard, NH | 6.4 mi |
03280 | Washington, NH | 6.8 mi |
03605 | Lempster, NH | 6.9 mi |
03602 | Alstead, NH | 7.0 mi |
03448 | Gilsum, NH | 7.2 mi |
03445 | Sullivan, NH | 8.2 mi |
03601 | Acworth, NH | 9.1 mi |
03604 | Drewsville, NH | 9.1 mi |
03608 | Walpole, NH | 10.4 mi |
Find every ZIP code within 10 miles of 03456 →
Questions about this ZIP code
Where is ZIP code 03456?
03456 is in Marlow, New Hampshire, in Cheshire County, part of the Keene, NH micropolitan area. Its published point location is 43.1385, -72.2088.
What county is 03456 in?
03456 lies in Cheshire County.
What area code is 03456?
Marlow uses area code 603, from NANPA's telephone records.
What time zone is 03456 in?
03456 uses America/New_York.
How many people live in 03456?
About 855 people live in ZIP code 03456, in 324 households, at 32.9 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 03456?
$110,455 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03456?
The closest are 03607 (4.9 mi), 03464 (6.4 mi), 03280 (6.8 mi), 03605 (6.9 mi) and 03602 (7 mi).
Is 03456 a PO Box ZIP code?
03456 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03456 ZIP Code — Marlow, New Hampshire (Cheshire County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03456
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03456.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.