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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/09104

09104

ZIP 09104 is military mail, not a town: APO AE, the Armed Forces Europe routing code, which covers Europe, the Middle East, Africa and Canada. 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
Europe/Berlin
County
none
Metro area
none
Coordinates
50.9675, 6.1176
☼ Live from 09104 — APO AE

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Where 09104 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 09104
  • 🔢 Type 09104 into a pocket calculator and turn it upside down: hOIGO — not quite a word, sorry.
  • ➕ As a number, 9,104 = 2 × 2 × 2 × 2 × 569. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001110010000
  • 🏠 Its numerical neighbours: 09103 (APO AE, a military post office, 17 mi away) and 09107 (APO AE, a military post office, 246 mi away).
  • 🔄 Backwards, 09104 becomes 40190, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (00914, 01094, 01904, 01940, 04019, 04091, …). The farthest-flung twin is 90401 in Santa Monica, CA, 5,670 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther east than 98%.
  • 🎯4,697 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 09104 and you would come out at 50.97°S, 173.88°W — 813 miles from Christchurch, New Zealand, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 32m of daylight. Shortest: 7h 55m.
🌙 The sky over 09104 today
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Source: USGS.

Land area

ZIP codes near 09104

ZIPCityDistance
09703 APO AE, AE 6.5 mi
09103 APO AE, AE 16.7 mi
09713 APO AE, AE 20.4 mi
09717 APO AE, AE 20.4 mi
09072 APO AE, AE 26.1 mi
09233 APO AE, AE 33.5 mi
09080 APO AE, AE 49.3 mi
09261 APO AE, AE 53.8 mi
09214 APO AE, AE 68.8 mi
09132 APO AE, AE 71.4 mi

Find every ZIP code within 10 miles of 09104 →

Questions about this ZIP code

Where is ZIP code 09104?

ZIP 09104 is military mail, not a town: APO AE, the Armed Forces Europe routing code, which covers Europe, the Middle East, Africa and Canada. 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 09104 in?

09104 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 09104?

The closest are 09703 (6.5 mi), 09103 (16.7 mi), 09713 (20.4 mi), 09717 (20.4 mi) and 09072 (26.1 mi).

Is 09104 a PO Box ZIP code?

09104 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. “09104 ZIP Code — APO AE, Armed Forces Europe (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/09104

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/09104.json

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