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/34051

34051

ZIP 34051 is military mail, not a town: FPO AA, the Armed Forces Americas routing code, which covers the Americas other than 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
America/Puerto_Rico
County
none
Metro area
none
Coordinates
18.2350, -65.6291

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 00735, whose figures describe that area — not this ZIP code.

☼ Live from 34051 — FPO AA

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Where 34051 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 34051
  • 🔢 Type 34051 into a pocket calculator and turn it upside down: ISOhE — not quite a word, sorry.
  • ➕ As a number, 34,051 = 17 × 2003. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000010100000011
  • 🏠 Its numerical neighbours: 34050 (FPO AA, a military post office, 102 mi away) and 34053 (FPO AA, a military post office, 39 mi away).
  • 🔄 Backwards, 34051 becomes 15043 — and that is a real ZIP code: Georgetown, PA, 1,777 miles away.
  • 👥 64 other ZIP codes are made of exactly the same digits (01354, 01453, 01534, 01543, 03451, 04351, …). The farthest-flung twin is 51340 in Fostoria, IA, 2,437 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 98%.
  • 🎯2,464 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 34051 and you would come out at 18.23°S, 114.37°E — 665 miles from Denpasar, Indonesia, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 13m of daylight. Shortest: 11h 02m.
🌙 The sky over 34051 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 34051

ZIPCityDistance
00742 Roosevelt Roads, PR 0.0 mi
00735 Ceiba, PR 2.7 mi
00738 Fajardo, PR 6.6 mi
00740 Puerto Real, PR 6.8 mi
00718 Naguabo, PR 8.3 mi
00741 Punta Santiago, PR 9.6 mi
00773 Luquillo, PR 9.7 mi
00744 Rio Blanco, PR 10.5 mi
00721 Palmer, PR 13.3 mi
00791 Humacao, PR 13.6 mi

Find every ZIP code within 10 miles of 34051 →

Questions about this ZIP code

Where is ZIP code 34051?

ZIP 34051 is military mail, not a town: FPO AA, the Armed Forces Americas routing code, which covers the Americas other than 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 34051 in?

34051 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 34051?

The closest are 00742 (0 mi), 00735 (2.7 mi), 00738 (6.6 mi), 00740 (6.8 mi) and 00718 (8.3 mi).

Is 34051 a PO Box ZIP code?

34051 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. “34051 ZIP Code — FPO AA, Armed Forces Americas (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/34051

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/34051.json

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