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Where 72821 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 72821 into a pocket calculator and turn it upside down: IZBZL — not quite a word, sorry.
- ➕ As a number, 72,821 = 7 × 101 × 103. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001110001110101 - 🏠 Its numerical neighbours: 72820 (Alix, AR, 3 mi away) and 72823 (Atkins, AR, 48 mi away).
- 🔄 Backwards, 72821 becomes 12827 — and that is a real ZIP code: Fort Ann, NY, 1,206 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (12827, 12872, 17228, 17822, 21278, 21287, …). The farthest-flung twin is 12872 in Severance, NY, 1,208 miles away.
- 🧭 Farther south than 72% of all ZIP codes, and farther west than 65%.
- 🎯402 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 72821 and you would come out at 35.46°S, 86.29°E — 1,257 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 45m.
- 📏 At 32.0 square miles of land, 72821 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,972This ZIP1,972 |
|---|---|
| Households | 729This ZIP729 |
| Housing units | 876This ZIP876 |
| Median age | 36.7This ZIP36.7Arkansas38.5US 38.9 |
| Median household income | $37,083This ZIP$37,083Arkansas$60,773US $80,734 |
| Median home value | $100,000This ZIP$100,000Arkansas$188,000US $332,700 |
| Median gross rent | $716This ZIP$716Arkansas$947US $1,413 |
| Bachelor's degree or higher | 12.2%This ZIP12.2% |
| Mean commute | 21.3 minThis ZIP21.3 min |
| Population density | 61.6 / sq miThis ZIP61.6 / sq mi |
Business and tax activity
| Business establishments | 21This ZIP21 |
|---|---|
| Employees | 166This ZIP166 |
| Annual payroll | $4,898,000This ZIP$4,898,000 |
| Tax returns filed | 580This ZIP580 |
| Total adjusted gross income | $27,430,000This ZIP$27,430,000 |
Land area
| Land area | 32.04 sq miThis ZIP32.04 sq mi |
|---|---|
| Water area | 0.16 sq miThis ZIP0.16 sq mi |
Counties 72821 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Franklin County | 64.8% |
| Johnson County | 35.2% |
Other place names in 72821
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 72821
| ZIP | City | Distance |
|---|---|---|
72832 | Coal Hill, AR | 3.3 mi |
72820 | Alix, AR | 3.4 mi |
72840 | Hartman, AR | 5.5 mi |
72949 | Ozark, AR | 8.9 mi |
72830 | Clarksville, AR | 12.2 mi |
72863 | Scranton, AR | 13.0 mi |
72865 | Subiaco, AR | 14.0 mi |
72951 | Ratcliff, AR | 14.7 mi |
72855 | Paris, AR | 15.0 mi |
72928 | Branch, AR | 16.8 mi |
Find every ZIP code within 10 miles of 72821 →
Questions about this ZIP code
Where is ZIP code 72821?
72821 is in Altus, Arkansas, in Franklin County. Its published point location is 35.4584, -93.7139.
What county is 72821 in?
72821 spans 2 counties: Franklin County and Johnson County. Most of it falls in Franklin 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 72821?
Altus uses area code 479, from NANPA's telephone records.
What time zone is 72821 in?
72821 uses America/Chicago.
How many people live in 72821?
About 1,972 people live in ZIP code 72821, in 729 households, at 61.6 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 72821?
$37,083 a year, against $60,773 across Arkansas.
What ZIP codes are near 72821?
The closest are 72832 (3.3 mi), 72820 (3.4 mi), 72840 (5.5 mi), 72949 (8.9 mi) and 72830 (12.2 mi).
Is 72821 a PO Box ZIP code?
72821 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “72821 ZIP Code — Altus, Arkansas (Franklin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/72821
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/72821.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.