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Where 71831 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 71831 into a pocket calculator and turn it upside down: IEBIL — not quite a word, sorry.
- ➕ As a number, 71,831 = 109 × 659. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001100010010111 - 🏠 Its numerical neighbours: 71828 (Cale, AR, 32 mi away) and 71832 (De Queen, AR, 34 mi away).
- 🔄 Backwards, 71831 becomes 13817, which is not a ZIP code at all.
- 👥 21 other ZIP codes are made of exactly the same digits (11378, 11738, 11783, 17318, 17813, 17831, …). The farthest-flung twin is 83711 in Boise, ID, 1,376 miles away.
- 🧭 Farther south than 81% of all ZIP codes, and farther west than 66%.
- 🎯493 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 71831 and you would come out at 33.77°S, 86.15°E — 1,349 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 24m of daylight. Shortest: 9h 54m.
- 📏 At 15.6 square miles of land, 71831 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 101This ZIP101 |
|---|---|
| Households | 46This ZIP46 |
| Housing units | 86This ZIP86 |
| Median age | 69.4This ZIP69.4Arkansas38.5US 38.9 |
| Bachelor's degree or higher | 24.8%This ZIP24.8% |
| Population density | 6.5 / sq miThis ZIP6.5 / sq mi |
Land area
| Land area | 15.56 sq miThis ZIP15.56 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Counties 71831 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Howard County | 81.3% |
| Hempstead County | 18.7% |
ZIP codes near 71831
| ZIP | City | Distance |
|---|---|---|
71859 | Saratoga, AR | 5.3 mi |
71862 | Washington, AR | 7.1 mi |
71851 | Mineral Springs, AR | 7.9 mi |
71838 | Fulton, AR | 8.8 mi |
71855 | Ozan, AR | 9.0 mi |
71853 | Ogden, AR | 13.3 mi |
71852 | Nashville, AR | 14.8 mi |
71823 | Ben Lomond, AR | 16.1 mi |
71847 | Mc Caskill, AR | 16.4 mi |
71802 | Hope, AR | 16.6 mi |
Find every ZIP code within 10 miles of 71831 →
Questions about this ZIP code
Where is ZIP code 71831?
71831 is in Columbus, Arkansas, in Howard County. Its published point location is 33.7717, -93.8515.
What county is 71831 in?
71831 spans 2 counties: Howard County and Hempstead County. Most of it falls in Howard 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 71831?
Columbus uses area code 870, from NANPA's telephone records.
What time zone is 71831 in?
71831 uses America/Chicago.
How many people live in 71831?
About 101 people live in ZIP code 71831, in 46 households, at 6.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 71831?
The closest are 71859 (5.3 mi), 71862 (7.1 mi), 71851 (7.9 mi), 71838 (8.8 mi) and 71855 (9 mi).
Is 71831 a PO Box ZIP code?
71831 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “71831 ZIP Code — Columbus, Arkansas (Howard County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/71831
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/71831.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.