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/96321

96321

ZIP 96321 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
Asia/Tokyo
County
none
Metro area
none
Coordinates
33.1592, 129.7228
☼ Live from 96321 — FPO AP

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Where 96321 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 96321
  • 🔢 Type 96321 into a pocket calculator and turn it upside down: IZEgG — not quite a word, sorry.
  • ➕ As a number, 96,321 = 3 × 97 × 331. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111100001000001
  • 🏠 Its numerical neighbours: 96319 (APO AA, a military post office, 827 mi away) and 96322 (FPO AA, a military post office, 0 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 96321 becomes 12369, which is not a ZIP code at all.
  • 👥 44 other ZIP codes are made of exactly the same digits (12936, 13692, 16239, 16329, 16923, 16932, …). The farthest-flung twin is 32961 in Vero Beach, FL, 7,795 miles away.
  • 🧭 Farther south than 84% of all ZIP codes, and farther east than 99%.
  • 🎯6,525 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 96321 and you would come out at 33.16°S, 50.28°W — 154 miles from Pelotas, Brazil, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 21m of daylight. Shortest: 9h 57m.
🌙 The sky over 96321 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 96321

ZIPCityDistance
96322 FPO AA, AA 0.0 mi
96236 APO AA, AA 50.3 mi
96201 APO AA, AA 125.9 mi
96202 APO AA, AA 125.9 mi
96259 APO AA, AA 139.8 mi
96269 FPO AA, AA 142.6 mi
96214 APO AA, AA 151.2 mi
96216 APO AA, AA 189.2 mi
96212 APO AA, AA 198.1 mi
96213 APO AA, AA 198.1 mi

Find every ZIP code within 10 miles of 96321 →

Questions about this ZIP code

Where is ZIP code 96321?

ZIP 96321 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 96321 in?

96321 belongs to no county — military ZIP codes are mail routing codes, not places.

What ZIP codes are near 96321?

The closest are 96322 (0 mi), 96236 (50.3 mi), 96201 (125.9 mi), 96202 (125.9 mi) and 96259 (139.8 mi).

Is 96321 a PO Box ZIP code?

96321 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. “96321 ZIP Code — FPO AP, Armed Forces Pacific (Military Mail).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/96321

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