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Where 71640 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 71640 into a pocket calculator and turn it upside down: OhgIL — not quite a word, sorry.
- ➕ As a number, 71,640 = 2 × 2 × 2 × 3 × 3 × 5 × 199. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001011111011000 - 🏠 Its numerical neighbours: 71639 (Dumas, AR, 55 mi away) and 71642 (Fountain Hill, AR, 41 mi away).
- 🔄 Backwards, 71640 becomes 04617 — and that is a real ZIP code: Brooksville, ME, 1,434 miles away.
- 👥 72 other ZIP codes are made of exactly the same digits (01467, 01746, 04617, 04671, 04761, 06147, …). The farthest-flung twin is 04671 in Robbinston, ME, 1,524 miles away.
- 🧭 Farther south than 84% of all ZIP codes, and farther west than 59%.
- 🎯617 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 71640 and you would come out at 33.12°S, 88.75°E — 1,470 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 21m of daylight. Shortest: 9h 58m.
- 📏 At 230.4 square miles of land, 71640 is bigger than 92% of ZIP codes — room for about 175 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,265This ZIP2,265 |
|---|---|
| Households | 1,125This ZIP1,125 |
| Housing units | 1,331This ZIP1,331 |
| Median age | 54.1This ZIP54.1Arkansas38.5US 38.9 |
| Median household income | $28,461This ZIP$28,461Arkansas$60,773US $80,734 |
| Median home value | $66,000This ZIP$66,000Arkansas$188,000US $332,700 |
| Median gross rent | $495This ZIP$495Arkansas$947US $1,413 |
| Bachelor's degree or higher | 14.2%This ZIP14.2% |
| Mean commute | 17.1 minThis ZIP17.1 min |
| Population density | 9.8 / sq miThis ZIP9.8 / sq mi |
Business and tax activity
| Business establishments | 46This ZIP46 |
|---|---|
| Employees | 729This ZIP729 |
| Annual payroll | $21,208,000This ZIP$21,208,000 |
| Tax returns filed | 900This ZIP900 |
| Total adjusted gross income | $31,202,000This ZIP$31,202,000 |
Land area
| Land area | 230.42 sq miThis ZIP230.42 sq mi |
|---|---|
| Water area | 22.20 sq miThis ZIP22.20 sq mi |
Other place names in 71640
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 71640
| ZIP | City | Distance |
|---|---|---|
38731 | Chatham, MS | 6.7 mi |
71253 | Kilbourne, LA | 9.5 mi |
71663 | Portland, AR | 12.8 mi |
38744 | Glen Allan, MS | 13.0 mi |
38723 | Avon, MS | 14.2 mi |
71661 | Parkdale, AR | 15.4 mi |
38745 | Grace, MS | 15.8 mi |
38780 | Wayside, MS | 16.0 mi |
71653 | Lake Village, AR | 17.4 mi |
38701 | Greenville, MS | 17.8 mi |
Find every ZIP code within 10 miles of 71640 →
Questions about this ZIP code
Where is ZIP code 71640?
71640 is in Eudora, Arkansas, in Chicot County. Its published point location is 33.1213, -91.2473.
What county is 71640 in?
71640 lies in Chicot County.
What area code is 71640?
Eudora uses area code 870, from NANPA's telephone records.
What time zone is 71640 in?
71640 uses America/Chicago.
How many people live in 71640?
About 2,265 people live in ZIP code 71640, in 1,125 households, at 9.8 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 71640?
$28,461 a year, against $60,773 across Arkansas.
What ZIP codes are near 71640?
The closest are 38731 (6.7 mi), 71253 (9.5 mi), 71663 (12.8 mi), 38744 (13 mi) and 38723 (14.2 mi).
Is 71640 a PO Box ZIP code?
71640 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “71640 ZIP Code — Eudora, Arkansas (Chicot County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/71640
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/71640.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.