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Where 03451 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 03451 into a pocket calculator and turn it upside down: IShEO — not quite a word, sorry.
- ➕ As a number, 3,451 = 7 × 17 × 29. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110101111011 - 🏠 Its numerical neighbours: 03450 (Harrisville, NH, 24 mi away) and 03452 (Jaffrey, NH, 23 mi away).
- 🔄 Backwards, 03451 becomes 15430 — and that is a real ZIP code: Dickerson Run, PA, 417 miles away.
- 👥 64 other ZIP codes are made of exactly the same digits (01354, 01453, 01534, 01543, 04351, 05143, …). The farthest-flung twin is 34051 in FPO AA, a military post office, 1,745 miles away.
- 🧭 Farther north than 81% of all ZIP codes, and farther east than 94%.
- 🎯1,363 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03451 and you would come out at 42.81°S, 107.50°E — 879 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 01m.
- 📏 At 20.5 square miles of land, 03451 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,997This ZIP3,997 |
|---|---|
| Households | 1,643This ZIP1,643 |
| Housing units | 1,827This ZIP1,827 |
| Median age | 53.3This ZIP53.3New Hampshire43.3US 38.9 |
| Median household income | $69,191This ZIP$69,191New Hampshire$99,031US $80,734 |
| Median home value | $200,700This ZIP$200,700New Hampshire$402,500US $332,700 |
| Median gross rent | $1,050This ZIP$1,050New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 12.6%This ZIP12.6% |
| Mean commute | 23.8 minThis ZIP23.8 min |
| Population density | 194.8 / sq miThis ZIP194.8 / sq mi |
Business and tax activity
| Business establishments | 56This ZIP56 |
|---|---|
| Employees | 662This ZIP662 |
| Annual payroll | $25,622,000This ZIP$25,622,000 |
| Tax returns filed | 1,970This ZIP1,970 |
| Total adjusted gross income | $116,914,000This ZIP$116,914,000 |
Land area
| Land area | 20.52 sq miThis ZIP20.52 sq mi |
|---|---|
| Water area | 2.13 sq miThis ZIP2.13 sq mi |
Other place names in 03451
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 03451
| ZIP | City | Distance |
|---|---|---|
05354 | Vernon, VT | 3.2 mi |
03441 | Ashuelot, NH | 3.5 mi |
05302 | Brattleboro, VT | 3.9 mi |
05303 | Brattleboro, VT | 3.9 mi |
05304 | Brattleboro, VT | 3.9 mi |
03443 | Chesterfield, NH | 4.6 mi |
03466 | West Chesterfield, NH | 5.0 mi |
03470 | Winchester, NH | 8.1 mi |
05301 | Brattleboro, VT | 8.1 mi |
03462 | Spofford, NH | 8.2 mi |
Find every ZIP code within 10 miles of 03451 →
Questions about this ZIP code
Where is ZIP code 03451?
03451 is in Hinsdale, New Hampshire, in Cheshire County, part of the Keene, NH micropolitan area. Its published point location is 42.8093, -72.5048.
What county is 03451 in?
03451 lies in Cheshire County.
What area code is 03451?
Hinsdale uses area code 603, from NANPA's telephone records.
What time zone is 03451 in?
03451 uses America/New_York.
How many people live in 03451?
About 3,997 people live in ZIP code 03451, in 1,643 households, at 194.8 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 03451?
$69,191 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03451?
The closest are 05354 (3.2 mi), 03441 (3.5 mi), 05302 (3.9 mi), 05303 (3.9 mi) and 05304 (3.9 mi).
Is 03451 a PO Box ZIP code?
03451 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03451 ZIP Code — Hinsdale, New Hampshire (Cheshire County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03451
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03451.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.