Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/34023

34023

ZIP 34023 is military mail, not a town: APO AA, the Armed Forces Americas routing code, which covers the Americas other than 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
America/El_Salvador
County
none
Metro area
none
Coordinates
13.6894, -89.1872
☼ Live from 34023 — APO AA

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Where 34023 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 34023
  • 🔢 Type 34023 into a pocket calculator and turn it upside down: EZOhE — not quite a word, sorry.
  • ➕ As a number, 34,023 = 3 × 11 × 1031. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000010011100111
  • 🏠 Its numerical neighbours: 34022 (APO AA, a military post office, 136 mi away) and 34024 (APO AA, a military post office, 111 mi away).
  • 🔄 Backwards, 34023 becomes 32043 — and that is a real ZIP code: Green Cove Springs, FL, 1,218 miles away.
  • 👥 38 other ZIP codes are made of exactly the same digits (02334, 02343, 03234, 03243, 04332, 20433, …). The farthest-flung twin is 34032 in APO AA, a military post office, 2,532 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther west than 54%.
  • 🎯1,894 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 34023 and you would come out at 13.69°S, 90.81°E — 418 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 12h 56m of daylight. Shortest: 11h 19m.
🌙 The sky over 34023 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 34023

ZIPCityDistance
34024 APO AA, AA 110.5 mi
34042 APO AA, AA 115.4 mi
34010 APO AA, AA 135.6 mi
34022 APO AA, AA 135.6 mi
34046 APO AA, AA 135.6 mi
34021 APO AA, AA 225.1 mi
34020 APO AA, AA 431.8 mi
34045 APO AA, AA 431.8 mi

Find every ZIP code within 10 miles of 34023 →

Questions about this ZIP code

Where is ZIP code 34023?

ZIP 34023 is military mail, not a town: APO AA, the Armed Forces Americas routing code, which covers the Americas other than 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 34023 in?

34023 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 34023?

The closest are 34024 (110.5 mi), 34042 (115.4 mi), 34010 (135.6 mi), 34022 (135.6 mi) and 34046 (135.6 mi).

Is 34023 a PO Box ZIP code?

34023 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. “34023 ZIP Code — APO AA, Armed Forces Americas (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/34023

Machine-readable version of these facts:

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