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/34020

34020

ZIP 34020 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/Costa_Rica
County
none
Metro area
none
Coordinates
9.9333, -84.0833
☼ Live from 34020 — APO AA

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Where 34020 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 34020
  • 🔢 Type 34020 into a pocket calculator and turn it upside down: OZOhE — not quite a word, sorry.
  • ➕ As a number, 34,020 = 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7. Its digits add up to 9, a total 375 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000010011100100
  • 🏠 Its numerical neighbours: 34011 (APO AA, a military post office, 316 mi away) and 34021 (APO AA, a military post office, 211 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 34020 becomes 02043 — and that is a real ZIP code: Hingham, MA, 2,370 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (02043, 02304, 02340, 03042, 03240, 04032, …). The farthest-flung twin is 04230 in East Poland, ME, 2,498 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 60%.
  • 🎯2,249 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 34020 and you would come out at 9.93°S, 95.92°E — 165 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 12h 42m of daylight. Shortest: 11h 33m.
🌙 The sky over 34020 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 34020

ZIPCityDistance
34045 APO AA, AA 0.0 mi
34021 APO AA, AA 211.4 mi
34005 APO AA, AA 287.9 mi
34060 FPO AA, AA 289.3 mi
34008 APO AA, AA 290.1 mi
34004 APO AA, AA 302.3 mi
34061 FPO AA, AA 314.1 mi
34006 APO AA, AA 314.6 mi
34002 APO AA, AA 315.6 mi
34009 APO AA, AA 316.1 mi

Find every ZIP code within 10 miles of 34020 →

Questions about this ZIP code

Where is ZIP code 34020?

ZIP 34020 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 34020 in?

34020 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 34020?

The closest are 34045 (0 mi), 34021 (211.4 mi), 34005 (287.9 mi), 34060 (289.3 mi) and 34008 (290.1 mi).

Is 34020 a PO Box ZIP code?

34020 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. “34020 ZIP Code — APO AA, Armed Forces Americas (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/34020

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/34020.json

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