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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/96598

96598

ZIP 96598 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
-89.9976, 139.2729
☼ Live from 96598 — FPO AP

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Where 96598 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 96598
  • 🔢 Type 96598 into a pocket calculator and turn it upside down: BGSgG — not quite a word, sorry.
  • ➕ As a number, 96,598 = 2 × 48299. Its digits add up to 37, a total 89 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111100101010110
  • 🏠 Its numerical neighbours: 96558 (APO AA, a military post office, 7,583 mi away) and 96599 (FPO AA, a military post office, 840 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 96598 becomes 89569, which is not a ZIP code at all.
  • 👥 13 other ZIP codes are made of exactly the same digits (65899, 68959, 95689, 95698, 95968, 95986, …). The farthest-flung twin is 99586 in Gakona, AK, 10,550 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 99%.
  • 🎯8,970 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 96598 and you would come out at 90.00°N, 40.73°W — 814 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 96598 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

Questions about this ZIP code

Where is ZIP code 96598?

ZIP 96598 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 96598 in?

96598 belongs to no county — military ZIP codes are mail routing codes, not places.

Is 96598 a PO Box ZIP code?

96598 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. “96598 ZIP Code — FPO AP, Armed Forces Pacific (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/96598

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/96598.json

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