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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/96599

96599

ZIP 96599 is military mail, not a town: FPO AP, the Armed Forces Pacific routing code, which covers the Pacific. 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
Antarctica/McMurdo
County
none
Metro area
none
Coordinates
-77.8460, 166.6760
☼ Live from 96599 — FPO AP

Weather right now

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Where 96599 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 96599
  • 🔢 Type 96599 into a pocket calculator and turn it upside down: GGSgG — not quite a word, sorry.
  • ➕ As a number, 96,599 = 29 × 3331. Its digits add up to 38, a total 58 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111100101010111
  • 🏠 Its numerical neighbours: 96598 (FPO AA, a military post office, 840 mi away) and 96701 (Aiea, HI, 7,004 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 96599 becomes 99569 — and that is a real ZIP code: Clarks Point, AK, 9,556 miles away.
  • 👥 5 other ZIP codes are made of exactly the same digits (95699, 95969, 99569, 99659, 99695). The farthest-flung twin is 99659 in Saint Michael, AK, 9,851 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 99%.
  • 🎯8,965 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 96599 and you would come out at 77.85°N, 13.32°W — 412 miles from Longyearbyen, Svalbard and Jan Mayen, the nearest big city to that spot.
  • ☀Longest day of the year: 24h 00m of daylight. Shortest: 0h 00m.
🌙 The sky over 96599 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

Questions about this ZIP code

Where is ZIP code 96599?

ZIP 96599 is military mail, not a town: FPO AP, the Armed Forces Pacific routing code, which covers the Pacific. 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 96599 in?

96599 belongs to no county — military ZIP codes are mail routing codes, not places.

Is 96599 a PO Box ZIP code?

96599 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. “96599 ZIP Code — FPO AP, Armed Forces Pacific (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/96599

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/96599.json

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