Weather right now
Asking the National Weather Service…
Where 72431 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 72431 into a pocket calculator and turn it upside down: IEhZL — not quite a word, sorry.
- ➕ 72431 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:
10001101011101111 - 🏠 Its numerical neighbours: 72430 (Greenway, AR, 70 mi away) and 72432 (Harrisburg, AR, 21 mi away).
- 🔄 Backwards, 72431 becomes 13427, which is not a ZIP code at all.
- 👥 54 other ZIP codes are made of exactly the same digits (12473, 12734, 12743, 13472, 14273, 14723, …). The farthest-flung twin is 12473 in Round Top, NY, 1,022 miles away.
- 🧭 Farther south than 71% of all ZIP codes, and farther west than 59%.
- 🎯502 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 72431 and you would come out at 35.63°S, 88.92°E — 1,337 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 34m of daylight. Shortest: 9h 45m.
- 📏 At 6.3 square miles of land, 72431 is bigger than 21% of ZIP codes — room for about 4.8 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 431This ZIP431 |
|---|---|
| Households | 175This ZIP175 |
| Housing units | 200This ZIP200 |
| Median age | 56.4This ZIP56.4Arkansas38.5US 38.9 |
| Median household income | $78,750This ZIP$78,750Arkansas$60,773US $80,734 |
| Median gross rent | $1,258This ZIP$1,258Arkansas$947US $1,413 |
| Bachelor's degree or higher | 4.8%This ZIP4.8% |
| Mean commute | 20.4 minThis ZIP20.4 min |
| Population density | 68.6 / sq miThis ZIP68.6 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 12This ZIP12 |
| Annual payroll | $448,000This ZIP$448,000 |
Land area
| Land area | 6.28 sq miThis ZIP6.28 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Other place names in 72431
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 72431
| ZIP | City | Distance |
|---|---|---|
72005 | Amagon, AR | 6.6 mi |
72473 | Tuckerman, AR | 8.9 mi |
72112 | Newport, AR | 9.2 mi |
72043 | Diaz, AR | 10.1 mi |
72475 | Waldenburg, AR | 10.1 mi |
72479 | Weiner, AR | 10.1 mi |
72421 | Cash, AR | 11.6 mi |
72429 | Fisher, AR | 12.4 mi |
72075 | Jacksonport, AR | 13.0 mi |
72471 | Swifton, AR | 13.5 mi |
Find every ZIP code within 10 miles of 72431 →
Questions about this ZIP code
Where is ZIP code 72431?
72431 is in Grubbs, Arkansas, in Jackson County. Its published point location is 35.6326, -91.0794.
What county is 72431 in?
72431 lies in Jackson County.
What area code is 72431?
Grubbs uses area code 870, from NANPA's telephone records.
What time zone is 72431 in?
72431 uses America/Chicago.
How many people live in 72431?
About 431 people live in ZIP code 72431, in 175 households, at 68.6 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 72431?
$78,750 a year, against $60,773 across Arkansas.
What ZIP codes are near 72431?
The closest are 72005 (6.6 mi), 72473 (8.9 mi), 72112 (9.2 mi), 72043 (10.1 mi) and 72475 (10.1 mi).
Is 72431 a PO Box ZIP code?
72431 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “72431 ZIP Code — Grubbs, Arkansas (Jackson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/72431
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/72431.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.