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zipcodes.pro — ZIP/71866

71866

ZIP 71866 is Winthrop, Arkansas, mostly in Little River County; area code 870; Central time.

Type
Standard
Time zone
America/Chicago
County
Little River +1 more
Metro area
Texarkana, TX-AR
Population
390
Coordinates
33.8684, -94.3803
☼ Live from 71866 — Winthrop, AR

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Where 71866 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.

★ Weird and wonderful facts about 71866
  • 🔢 Type 71866 into a pocket calculator and turn it upside down: ggBIL — not quite a word, sorry.
  • ➕ As a number, 71,866 = 2 × 35933. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001100010111010
  • 🏠 Its numerical neighbours: 71865 (Wilton, AR, 16 mi away) and 71901 (Hot Springs National Park, AR, 92 mi away).
  • 🔄 Backwards, 71866 becomes 66817, which is not a ZIP code at all.
  • 👥 15 other ZIP codes are made of exactly the same digits (16678, 16876, 17866, 18766, 61876, 66781, …). The farthest-flung twin is 18766 in Wilkes Barre, PA, 1,131 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther west than 67%.
  • 🎯473 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 71866 and you would come out at 33.87°S, 85.62°E — 1,328 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 54m.
  • 📏 At 53.0 square miles of land, 71866 is bigger than 61% of ZIP codes — room for about 40 Central Parks.
🌙 The sky over 71866 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population390This ZIP390
Households197This ZIP197
Housing units304This ZIP304
Median age53.2This ZIP53.2Arkansas38.5US 38.9
Median household income$34,688This ZIP$34,688Arkansas$60,773US $80,734
Median home value$143,800This ZIP$143,800Arkansas$188,000US $332,700
Median gross rent$759This ZIP$759Arkansas$947US $1,413
Bachelor's degree or higher18.6%This ZIP18.6%
Mean commute36.2 minThis ZIP36.2 min
Population density7.4 / sq miThis ZIP7.4 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees17This ZIP17
Annual payroll$827,000This ZIP$827,000
Tax returns filed220This ZIP220
Total adjusted gross income$12,445,000This ZIP$12,445,000

Land area

Land area53.01 sq miThis ZIP53.01 sq mi
Water area0.87 sq miThis ZIP0.87 sq mi

Counties 71866 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Little River County 100.0%
Sevier County 0.0%

Other place names in 71866

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 71866

ZIPCityDistance
71842 Horatio, AR 5.3 mi
71820 Alleene, AR 9.8 mi
71836 Foreman, AR 10.8 mi
71832 De Queen, AR 12.0 mi
74740 Haworth, OK 14.3 mi
71823 Ben Lomond, AR 15.0 mi
71846 Lockesburg, AR 15.2 mi
71865 Wilton, AR 16.1 mi
74734 Eagletown, OK 17.8 mi
71822 Ashdown, AR 19.1 mi

Find every ZIP code within 10 miles of 71866 →

Questions about this ZIP code

Where is ZIP code 71866?

71866 is in Winthrop, Arkansas, in Little River County, part of the Texarkana, TX-AR metropolitan area. Its published point location is 33.8684, -94.3803.

What county is 71866 in?

71866 spans 2 counties: Little River County and Sevier County. Most of it falls in Little River 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 71866?

Winthrop uses area code 870, from NANPA's telephone records.

What time zone is 71866 in?

71866 uses America/Chicago.

How many people live in 71866?

About 390 people live in ZIP code 71866, in 197 households, at 7.4 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 71866?

$34,688 a year, against $60,773 across Arkansas.

What ZIP codes are near 71866?

The closest are 71842 (5.3 mi), 71820 (9.8 mi), 71836 (10.8 mi), 71832 (12 mi) and 74740 (14.3 mi).

Is 71866 a PO Box ZIP code?

71866 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “71866 ZIP Code — Winthrop, Arkansas (Little River County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/71866

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