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Where 03602 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 03602 into a pocket calculator and turn it upside down: ZOgEO — not quite a word, sorry.
- ➕ As a number, 3,602 = 2 × 1801. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
111000010010 - 🏠 Its numerical neighbours: 03601 (Acworth, NH, 7 mi away) and 03603 (Charlestown, NH, 8 mi away).
- 🔄 Backwards, 03602 becomes 20630 — and that is a real ZIP code: Drayden, MD, 406 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (00623, 02360, 02630, 03062, 03260, 06023, …). The farthest-flung twin is 00623 in Cabo Rojo, PR, 1,758 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther east than 94%.
- 🎯1,371 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03602 and you would come out at 43.14°S, 107.65°E — 893 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
- 📏 At 61.4 square miles of land, 03602 is bigger than 65% of ZIP codes — room for about 47 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,381This ZIP2,381 |
|---|---|
| Households | 1,024This ZIP1,024 |
| Housing units | 1,347This ZIP1,347 |
| Median age | 54.9This ZIP54.9New Hampshire43.3US 38.9 |
| Median household income | $70,455This ZIP$70,455New Hampshire$99,031US $80,734 |
| Median home value | $279,400This ZIP$279,400New Hampshire$402,500US $332,700 |
| Median gross rent | $828This ZIP$828New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 26.7%This ZIP26.7% |
| Mean commute | 31.6 minThis ZIP31.6 min |
| Population density | 38.8 / sq miThis ZIP38.8 / sq mi |
Business and tax activity
| Business establishments | 61This ZIP61 |
|---|---|
| Employees | 275This ZIP275 |
| Annual payroll | $13,931,000This ZIP$13,931,000 |
| Tax returns filed | 1,380This ZIP1,380 |
| Total adjusted gross income | $105,814,000This ZIP$105,814,000 |
Land area
| Land area | 61.41 sq miThis ZIP61.41 sq mi |
|---|---|
| Water area | 0.64 sq miThis ZIP0.64 sq mi |
Counties 03602 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Cheshire County | 63.2% |
| Sullivan County | 36.8% |
ZIP codes near 03602
| ZIP | City | Distance |
|---|---|---|
03604 | Drewsville, NH | 2.2 mi |
03609 | North Walpole, NH | 5.0 mi |
03608 | Walpole, NH | 5.1 mi |
03607 | South Acworth, NH | 5.8 mi |
05159 | Westminster Station, VT | 6.4 mi |
05158 | Westminster, VT | 6.7 mi |
03456 | Marlow, NH | 7.0 mi |
05101 | Bellows Falls, VT | 7.1 mi |
03601 | Acworth, NH | 7.5 mi |
03603 | Charlestown, NH | 7.5 mi |
Find every ZIP code within 10 miles of 03602 →
Questions about this ZIP code
Where is ZIP code 03602?
03602 is in Alstead, New Hampshire, in Cheshire County, part of the Keene, NH micropolitan area. Its published point location is 43.1408, -72.3476.
What county is 03602 in?
03602 spans 2 counties: Cheshire County and Sullivan County. Most of it falls in Cheshire County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 03602?
Alstead uses area code 603, from NANPA's telephone records.
What time zone is 03602 in?
03602 uses America/New_York.
How many people live in 03602?
About 2,381 people live in ZIP code 03602, in 1,024 households, at 38.8 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 03602?
$70,455 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03602?
The closest are 03604 (2.2 mi), 03609 (5 mi), 03608 (5.1 mi), 03607 (5.8 mi) and 05159 (6.4 mi).
Is 03602 a PO Box ZIP code?
03602 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03602 ZIP Code — Alstead, New Hampshire (Cheshire County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03602
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03602.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.