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/34037

34037

ZIP 34037 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/Caracas
County
none
Metro area
none
Coordinates
10.4880, -66.8792
☼ Live from 34037 — APO AA

Weather right now

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NEXRAD radar
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Where 34037 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 34037
  • 🔢 Type 34037 into a pocket calculator and turn it upside down: LEOhE — not quite a word, sorry.
  • ➕ As a number, 34,037 = 101 × 337. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000010011110101
  • 🏠 Its numerical neighbours: 34036 (APO AA, a military post office, 2,550 mi away) and 34038 (APO AA, a military post office, 639 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 34037 becomes 73043 — and that is a real ZIP code: Greenfield, OK, 2,634 miles away.
  • 👥 30 other ZIP codes are made of exactly the same digits (03743, 04733, 30374, 30473, 30734, 33074, …). The farthest-flung twin is 73043 in Greenfield, OK, 2,634 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
  • 🎯2,806 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 34037 and you would come out at 10.49°S, 113.12°E — 165 miles from Jember, Indonesia, the nearest big city to that spot.
  • ☀Longest day of the year: 12h 44m of daylight. Shortest: 11h 31m.
🌙 The sky over 34037 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

Questions about this ZIP code

Where is ZIP code 34037?

ZIP 34037 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 34037 in?

34037 belongs to no county — military ZIP codes are mail routing codes, not places.

Is 34037 a PO Box ZIP code?

34037 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. “34037 ZIP Code — APO AA, Armed Forces Americas (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/34037

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/34037.json

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