Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/85644

85644

ZIP 85644 is in Willcox, Arizona, in Cochise County; area code 520; Mountain Standard Time all year. Willcox has 2 ZIP codes; the other is 85643.

Type
No street area
Time zone
America/Phoenix
County
Cochise
Coordinates
32.2529, -109.8320

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 85643, whose figures describe that area — not this ZIP code.

☼ Live from 85644 — Willcox, AZ

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Where 85644 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 85644
  • 🔢 Type 85644 into a pocket calculator and turn it upside down: hhgSB — not quite a word, sorry.
  • ➕ As a number, 85,644 = 2 × 2 × 3 × 3 × 3 × 13 × 61. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100111010001100
  • 🏠 Its numerical neighbours: 85643 (Willcox, AZ, 17 mi away) and 85645 (Amado, AZ, 86 mi away).
  • 🔄 Backwards, 85644 becomes 44658, which is not a ZIP code at all.
  • 👥 31 other ZIP codes are made of exactly the same digits (44685, 44856, 44865, 45648, 45684, 45846, …). The farthest-flung twin is 44685 in Uniontown, OH, 1,677 miles away.
  • 🧭 Farther south than 87% of all ZIP codes, and farther west than 85%.
  • 🎯817 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 85644 and you would come out at 32.25°S, 70.17°E — 1,145 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 16m of daylight. Shortest: 10h 02m.
🌙 The sky over 85644 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees122This ZIP122
Annual payroll$6,049,000This ZIP$6,049,000

Land area

ZIP codes near 85644

ZIPCityDistance
85643 Willcox, AZ 17.4 mi
85606 Cochise, AZ 18.0 mi
85609 Dragoon, AZ 20.0 mi
85605 Bowie, AZ 21.4 mi
85670 Fort Huachuca, AZ 26.2 mi
85625 Pearce, AZ 27.8 mi
85627 Pomerene, AZ 29.1 mi
85630 Saint David, AZ 32.5 mi
85546 Safford, AZ 34.0 mi
85602 Benson, AZ 34.4 mi

Find every ZIP code within 10 miles of 85644 →

Questions about this ZIP code

Where is ZIP code 85644?

85644 is in Willcox, Arizona, in Cochise County, part of the Sierra Vista-Douglas, AZ metropolitan area. Its published point location is 32.2529, -109.8320.

What county is 85644 in?

85644 lies in Cochise County.

What area code is 85644?

Willcox uses area code 520, from NANPA's telephone records.

What time zone is 85644 in?

85644 uses America/Phoenix.

What ZIP codes are near 85644?

The closest are 85643 (17.4 mi), 85606 (18 mi), 85609 (20 mi), 85605 (21.4 mi) and 85670 (26.2 mi).

Is 85644 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. “85644 ZIP Code — Willcox, Arizona (Cochise County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/85644

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/85644.json

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