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Where 82421 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 82421 into a pocket calculator and turn it upside down: IZhZB — not quite a word, sorry.
- ➕ 82421 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10100000111110101 - 🏠 Its numerical neighbours: 82420 (Cowley, WY, 7 mi away) and 82422 (Emblem, WY, 29 mi away).
- 🔄 Backwards, 82421 becomes 12428 — and that is a real ZIP code: Ellenville, NY, 1,718 miles away.
- 👥 33 other ZIP codes are made of exactly the same digits (12248, 12428, 12482, 12824, 12842, 14228, …). The farthest-flung twin is 28412 in Wilmington, NC, 1,782 miles away.
- 🧭 Farther north than 91% of all ZIP codes, and farther west than 85%.
- 🎯619 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 82421 and you would come out at 44.89°S, 71.40°E — 313 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 36m of daylight. Shortest: 8h 47m.
- 📏 At 74.3 square miles of land, 82421 is bigger than 70% of ZIP codes — room for about 56 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 379This ZIP379 |
|---|---|
| Households | 176This ZIP176 |
| Housing units | 247This ZIP247 |
| Median age | 64.7This ZIP64.7Wyoming39.1US 38.9 |
| Median household income | $42,222This ZIP$42,222Wyoming$76,176US $80,734 |
| Bachelor's degree or higher | 33.8%This ZIP33.8% |
| Mean commute | 22.5 minThis ZIP22.5 min |
| Population density | 5.1 / sq miThis ZIP5.1 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 35This ZIP35 |
| Annual payroll | $3,800,000This ZIP$3,800,000 |
| Tax returns filed | 200This ZIP200 |
| Total adjusted gross income | $13,270,000This ZIP$13,270,000 |
Land area
| Land area | 74.33 sq miThis ZIP74.33 sq mi |
|---|---|
| Water area | 0.15 sq miThis ZIP0.15 sq mi |
Counties 82421 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Big Horn County | 50.1% |
| Park County | 49.9% |
Other place names in 82421
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 82421
| ZIP | City | Distance |
|---|---|---|
82423 | Frannie, WY | 7.0 mi |
82420 | Cowley, WY | 7.1 mi |
82412 | Byron, WY | 7.1 mi |
82440 | Ralston, WY | 17.5 mi |
59014 | Bridger, MT | 18.8 mi |
82431 | Lovell, WY | 21.8 mi |
82435 | Powell, WY | 22.5 mi |
59008 | Belfry, MT | 26.7 mi |
82422 | Emblem, WY | 29.0 mi |
82411 | Burlington, WY | 30.8 mi |
Find every ZIP code within 10 miles of 82421 →
Questions about this ZIP code
Where is ZIP code 82421?
82421 is in Deaver, Wyoming, in Big Horn County. Its published point location is 44.8870, -108.6021.
What county is 82421 in?
82421 spans 2 counties: Big Horn County and Park County. Most of it falls in Big Horn 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 82421?
Deaver uses area code 307, from NANPA's telephone records.
What time zone is 82421 in?
82421 uses America/Denver.
How many people live in 82421?
About 379 people live in ZIP code 82421, in 176 households, at 5.1 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 82421?
$42,222 a year, against $76,176 across Wyoming.
What ZIP codes are near 82421?
The closest are 82423 (7 mi), 82420 (7.1 mi), 82412 (7.1 mi), 82440 (17.5 mi) and 59014 (18.8 mi).
Is 82421 a PO Box ZIP code?
82421 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “82421 ZIP Code — Deaver, Wyoming (Big Horn County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/82421
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/82421.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.