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zipcodes.pro — ZIP/71840

71840

ZIP 71840 is Genoa, Arkansas, in Miller County; area codes 870 and 327; Central time.

Type
No street area
Time zone
America/Chicago
County
Miller
Metro area
Texarkana, TX-AR
Coordinates
33.3837, -93.9096

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 71854, whose figures describe that area — not this ZIP code.

☼ Live from 71840 — Genoa, AR

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Where 71840 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 71840
  • 🔢 Type 71840 into a pocket calculator and turn it upside down: OhBIL — not quite a word, sorry.
  • ➕ As a number, 71,840 = 2 × 2 × 2 × 2 × 2 × 5 × 449. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001100010100000
  • 🏠 Its numerical neighbours: 71839 (Garland City, AR, 11 mi away) and 71841 (Gillham, AR, 59 mi away).
  • 🔄 Backwards, 71840 becomes 04817, which is not a ZIP code at all.
  • 👥 57 other ZIP codes are made of exactly the same digits (01748, 01784, 04781, 07184, 07418, 07481, …). The farthest-flung twin is 04781 in Wallagrass, ME, 1,626 miles away.
  • 🧭 Farther south than 83% of all ZIP codes, and farther west than 66%.
  • 🎯515 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 71840 and you would come out at 33.38°S, 86.09°E — 1,370 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 22m of daylight. Shortest: 9h 56m.
🌙 The sky over 71840 today
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Source: USGS.

Land area

ZIP codes near 71840

ZIPCityDistance
71854 Texarkana, AR 4.3 mi
75504 Texarkana, TX 8.5 mi
75507 Texarkana, TX 8.5 mi
75599 Texarkana, TX 8.5 mi
71837 Fouke, AR 9.6 mi
75505 Texarkana, TX 10.8 mi
71839 Garland City, AR 11.5 mi
75569 Nash, TX 12.9 mi
75501 Texarkana, TX 13.3 mi
71853 Ogden, AR 14.6 mi

Find every ZIP code within 10 miles of 71840 →

Questions about this ZIP code

Where is ZIP code 71840?

71840 is in Genoa, Arkansas, in Miller County, part of the Texarkana, TX-AR metropolitan area. Its published point location is 33.3837, -93.9096.

What county is 71840 in?

71840 lies in Miller County.

What area code is 71840?

Genoa uses area codes 870 and 327, from NANPA's telephone records.

What time zone is 71840 in?

71840 uses America/Chicago.

What ZIP codes are near 71840?

The closest are 71854 (4.3 mi), 75504 (8.5 mi), 75507 (8.5 mi), 75599 (8.5 mi) and 71837 (9.6 mi).

Is 71840 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “71840 ZIP Code — Genoa, Arkansas (Miller County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/71840

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