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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/96543

96543

ZIP 96543 is military mail, not a town: APO AP, the Armed Forces Pacific routing code, which covers the Pacific. APO is the Army and Air Force Post Office. Mail to it carries a unit or ship number instead of a street, at domestic US postage.

Type
Military (APO/FPO/DPO)
Time zone
Pacific/Guam
County
none
Metro area
none
Coordinates
13.4757, 144.7489

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 96910, whose figures describe that area — not this ZIP code.

☼ Live from 96543 — APO AP

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Where 96543 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 96543
  • 🔢 Type 96543 into a pocket calculator and turn it upside down: EhSgG — not quite a word, sorry.
  • ➕ As a number, 96,543 = 3 × 3 × 17 × 631. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111100100011111
  • 🏠 Its numerical neighbours: 96542 (APO AA, a military post office, 0 mi away) and 96546 (APO AA, a military post office, 2,967 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 96543 becomes 34569, which is not a ZIP code at all.
  • 👥 52 other ZIP codes are made of exactly the same digits (34695, 34956, 35469, 35649, 35964, 36549, …). The farthest-flung twin is 34956 in Indiantown, FL, 8,307 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 99%.
  • 🎯6,959 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 96543 and you would come out at 13.48°S, 35.25°W — 214 miles from Camaçari, Brazil, the nearest big city to that spot.
  • ☀Longest day of the year: 12h 55m of daylight. Shortest: 11h 20m.
🌙 The sky over 96543 today
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Source: USGS.

Land area

ZIP codes near 96543

ZIPCityDistance
96539 FPO AA, AA 0.0 mi
96540 FPO AA, AA 0.0 mi
96541 APO AA, AA 0.0 mi
96542 APO AA, AA 0.0 mi
96932 Hagatna, GU 0.2 mi
96910 Hagatna, GU 1.7 mi
96921 Barrigada, GU 3.2 mi
96911 Tamuning, GU 3.3 mi
96912 Dededo, GU 3.3 mi
96914 Yona, GU 3.3 mi

Find every ZIP code within 10 miles of 96543 →

Questions about this ZIP code

Where is ZIP code 96543?

ZIP 96543 is military mail, not a town: APO AP, the Armed Forces Pacific routing code, which covers the Pacific. APO is the Army and Air Force Post Office. Mail to it carries a unit or ship number instead of a street, at domestic US postage.

What county is 96543 in?

96543 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 96543?

The closest are 96539 (0 mi), 96540 (0 mi), 96541 (0 mi), 96542 (0 mi) and 96932 (0.2 mi).

Is 96543 a PO Box ZIP code?

96543 is a military (apo/fpo/dpo) ZIP code. A USPS routing code for military mail, not a geographic area.

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Cite this page

zipcodes.pro. “96543 ZIP Code — APO AP, Armed Forces Pacific (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/96543

Machine-readable version of these facts:

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