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Where 03584 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 03584 into a pocket calculator and turn it upside down: hBSEO — not quite a word, sorry.
- ➕ As a number, 3,584 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
111000000000 - 🏠 Its numerical neighbours: 03583 (Jefferson, NH, 8 mi away) and 03585 (Lisbon, NH, 25 mi away).
- 🔄 Backwards, 03584 becomes 48530, which is not a ZIP code at all.
- 👥 58 other ZIP codes are made of exactly the same digits (03458, 03845, 03854, 04358, 04538, 04853, …). The farthest-flung twin is 85340 in Litchfield Park, AZ, 2,295 miles away.
- 🧭 Farther north than 89% of all ZIP codes, and farther east than 95%.
- 🎯1,415 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 03584 and you would come out at 44.49°S, 108.45°E — 954 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 33m of daylight. Shortest: 8h 50m.
- 📏 At 62.1 square miles of land, 03584 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 | 3,501This ZIP3,501 |
|---|---|
| Households | 1,592This ZIP1,592 |
| Housing units | 1,792This ZIP1,792 |
| Median age | 47.6This ZIP47.6New Hampshire43.3US 38.9 |
| Median household income | $66,768This ZIP$66,768New Hampshire$99,031US $80,734 |
| Median home value | $209,500This ZIP$209,500New Hampshire$402,500US $332,700 |
| Median gross rent | $1,028This ZIP$1,028New Hampshire$1,491US $1,413 |
| Bachelor's degree or higher | 29.5%This ZIP29.5% |
| Mean commute | 22.3 minThis ZIP22.3 min |
| Population density | 56.4 / sq miThis ZIP56.4 / sq mi |
Business and tax activity
| Business establishments | 141This ZIP141 |
|---|---|
| Employees | 1,383This ZIP1,383 |
| Annual payroll | $76,439,000This ZIP$76,439,000 |
| Tax returns filed | 1,790This ZIP1,790 |
| Total adjusted gross income | $130,999,000This ZIP$130,999,000 |
Land area
| Land area | 62.07 sq miThis ZIP62.07 sq mi |
|---|---|
| Water area | 1.30 sq miThis ZIP1.30 sq mi |
Other place names in 03584
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 03584
| ZIP | City | Distance |
|---|---|---|
03582 | Groveton, NH | 7.3 mi |
03583 | Jefferson, NH | 7.5 mi |
05906 | Lunenburg, VT | 8.5 mi |
03598 | Whitefield, NH | 8.7 mi |
05904 | Gilman, VT | 9.4 mi |
05840 | Granby, VT | 12.4 mi |
05858 | North Concord, VT | 12.9 mi |
03595 | Twin Mountain, NH | 13.0 mi |
03575 | Bretton Woods, NH | 14.1 mi |
05824 | Concord, VT | 14.2 mi |
Find every ZIP code within 10 miles of 03584 →
Questions about this ZIP code
Where is ZIP code 03584?
03584 is in Lancaster, New Hampshire, in Coos County. Its published point location is 44.4903, -71.5475.
What county is 03584 in?
03584 lies in Coos County.
What area code is 03584?
Lancaster uses area code 603, from NANPA's telephone records.
What time zone is 03584 in?
03584 uses America/New_York.
How many people live in 03584?
About 3,501 people live in ZIP code 03584, in 1,592 households, at 56.4 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 03584?
$66,768 a year, against $99,031 across New Hampshire.
What ZIP codes are near 03584?
The closest are 03582 (7.3 mi), 03583 (7.5 mi), 05906 (8.5 mi), 03598 (8.7 mi) and 05904 (9.4 mi).
Is 03584 a PO Box ZIP code?
03584 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “03584 ZIP Code — Lancaster, New Hampshire (Coos County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03584
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/03584.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.