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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/09420

09420

ZIP 09420 is military mail, not a town: FPO AE, the Armed Forces Europe routing code, which covers Europe, the Middle East, Africa and Canada. FPO is the Fleet Post Office, which serves Navy and Marine Corps bases and ships. 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/London
County
none
Metro area
none
Coordinates
51.8908, -5.1224
☼ Live from 09420 — FPO AE

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Where 09420 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 09420
  • 🔢 Type 09420 into a pocket calculator and turn it upside down: OZhGO — not quite a word, sorry.
  • ➕ As a number, 9,420 = 2 × 2 × 3 × 5 × 157. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010011001100
  • 🏠 Its numerical neighbours: 09419 (FPO AE, a military post office, 354 mi away) and 09421 (FPO AE, a military post office, 216 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 09420 becomes 02490, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (00924, 02904, 02940, 04029, 04092, 04290, …). The farthest-flung twin is 92040 in Lakeside, CA, 5,278 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther east than 98%.
  • 🎯4,257 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 09420 and you would come out at 51.89°S, 174.88°E — 587 miles from Christchurch, New Zealand, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 43m of daylight. Shortest: 7h 46m.
🌙 The sky over 09420 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 09420

ZIPCityDistance
09415 FPO AE, AE 100.4 mi
09467 APO AE, AE 129.7 mi
09472 APO AE, AE 135.1 mi
09456 APO AE, AE 143.3 mi
09448 APO AE, AE 148.2 mi
09447 APO AE, AE 166.3 mi
09462 APO AE, AE 166.3 mi
09463 APO AE, AE 166.3 mi
09495 APO AE, AE 166.3 mi
09494 APO AE, AE 167.0 mi

Find every ZIP code within 10 miles of 09420 →

Questions about this ZIP code

Where is ZIP code 09420?

ZIP 09420 is military mail, not a town: FPO AE, the Armed Forces Europe routing code, which covers Europe, the Middle East, Africa and Canada. FPO is the Fleet Post Office, which serves Navy and Marine Corps bases and ships. Mail to it carries a unit or ship number instead of a street, at domestic US postage.

What county is 09420 in?

09420 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 09420?

The closest are 09415 (100.4 mi), 09467 (129.7 mi), 09472 (135.1 mi), 09456 (143.3 mi) and 09448 (148.2 mi).

Is 09420 a PO Box ZIP code?

09420 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. “09420 ZIP Code — FPO AE, Armed Forces Europe (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/09420

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/09420.json

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