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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/09173

09173

ZIP 09173 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
49.2040, 11.8484
☼ Live from 09173 — APO AE

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Where 09173 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 09173
  • 🔢 Type 09173 into a pocket calculator and turn it upside down: ELIGO — not quite a word, sorry.
  • ➕ 09173 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001111010101
  • 🏠 Its numerical neighbours: 09172 (APO AE, a military post office, 117 mi away) and 09175 (APO AE, a military post office, 151 mi away).
  • 🔄 Backwards, 09173 becomes 37190 — and that is a real ZIP code: Woodbury, TN, 4,716 miles away.
  • 👥 59 other ZIP codes are made of exactly the same digits (01379, 01937, 07193, 07931, 09137, 09713, …). The farthest-flung twin is 93107 in Santa Barbara, CA, 5,944 miles away.
  • 🧭 Farther north than 98% of all ZIP codes, and farther east than 99%.
  • 🎯4,972 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 09173 and you would come out at 49.20°S, 168.15°W — 991 miles from Wellington, New Zealand, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 14m of daylight. Shortest: 8h 12m.
🌙 The sky over 09173 today
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Source: USGS.

Land area

ZIP codes near 09173

ZIPCityDistance
09071 APO AE, AE 16.5 mi
09114 APO AE, AE 35.6 mi
09142 APO AE, AE 38.2 mi
09068 APO AE, AE 43.0 mi
09222 APO AE, AE 43.0 mi
09070 APO AE, AE 43.5 mi
09066 APO AE, AE 46.3 mi
09352 APO AE, AE 50.1 mi
09044 APO AE, AE 54.8 mi
09250 APO AE, AE 54.8 mi

Find every ZIP code within 10 miles of 09173 →

Questions about this ZIP code

Where is ZIP code 09173?

ZIP 09173 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 09173 in?

09173 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 09173?

The closest are 09071 (16.5 mi), 09114 (35.6 mi), 09142 (38.2 mi), 09068 (43 mi) and 09222 (43 mi).

Is 09173 a PO Box ZIP code?

09173 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. “09173 ZIP Code — APO AE, Armed Forces Europe (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/09173

Machine-readable version of these facts:

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