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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/09138

09138

ZIP 09138 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
49.2249, 7.6104
☼ Live from 09138 — APO AE

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Where 09138 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 09138
  • 🔢 Type 09138 into a pocket calculator and turn it upside down: BEIGO — not quite a word, sorry.
  • ➕ As a number, 9,138 = 2 × 3 × 1523. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001110110010
  • 🏠 Its numerical neighbours: 09137 (APO AE, a military post office, 99 mi away) and 09139 (APO AE, a military post office, 155 mi away).
  • 🔄 Backwards, 09138 becomes 83190, which is not a ZIP code at all.
  • 👥 47 other ZIP codes are made of exactly the same digits (01938, 01983, 03819, 08319, 09183, 09813, …). The farthest-flung twin is 93108 in Santa Barbara, CA, 5,811 miles away.
  • 🧭 Farther north than 98% of all ZIP codes, and farther east than 99%.
  • 🎯4,823 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 09138 and you would come out at 49.22°S, 172.39°W — 813 miles from Christchurch, New Zealand, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 14m of daylight. Shortest: 8h 11m.
🌙 The sky over 09138 today
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Source: USGS.

Land area

ZIP codes near 09138

ZIPCityDistance
09189 APO AE, AE 1.6 mi
09052 APO AE, AE 11.0 mi
09249 APO AE, AE 11.0 mi
09251 APO AE, AE 11.0 mi
09180 APO AE, AE 13.1 mi
09009 APO AE, AE 14.4 mi
09012 APO AE, AE 14.4 mi
09021 APO AE, AE 14.6 mi
09059 APO AE, AE 14.7 mi
09094 APO AE, AE 15.4 mi

Find every ZIP code within 10 miles of 09138 →

Questions about this ZIP code

Where is ZIP code 09138?

ZIP 09138 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 09138 in?

09138 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 09138?

The closest are 09189 (1.6 mi), 09052 (11 mi), 09249 (11 mi), 09251 (11 mi) and 09180 (13.1 mi).

Is 09138 a PO Box ZIP code?

09138 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. “09138 ZIP Code — APO AE, Armed Forces Europe (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/09138

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