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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/96859

96859

ZIP 96859 is Tripler Army Medical Center, Hawaii, in Honolulu County; area code 808; Hawaii-Aleutian time.

Type
Standard
Time zone
Pacific/Honolulu
County
Honolulu
Metro area
Urban Honolulu, HI
Population
0
Coordinates
21.3601, -157.8898
☼ Live from 96859 — Tripler Army Medical Center, HI

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Where 96859 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 96859
  • 🔢 Type 96859 into a pocket calculator and turn it upside down: GSBgG — not quite a word, sorry.
  • ➕ As a number, 96,859 = 7 × 101 × 137. Its digits add up to 37, a total 89 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111101001011011
  • 🏠 Its numerical neighbours: 96858 (Fort Shafter, HI, 1 mi away) and 96860 (Jbphh, HI, 4 mi away).
  • 🔄 Backwards, 96859 becomes 95869, 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 96598 in FPO AA, a military post office, 7,694 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther west than 99%.
  • 🎯3,679 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 96859 and you would come out at 21.36°S, 22.11°E — 332 miles from Gaborone, Botswana, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 26m of daylight. Shortest: 10h 50m.
  • 📏 At 0.039 square miles of land, 96859 is bigger than 0% of ZIP codes — about 19 football fields.
🌙 The sky over 96859 today
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🌋 Shake report
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Source: USGS.

People and housing

Population0
Households0
Housing units0
Population density0.0 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees2,298This ZIP2,298
Annual payroll$145,703,000This ZIP$145,703,000

Land area

Land area0.04 sq miThis ZIP0.04 sq mi
Water area0.00 sq mi

Other place names in 96859

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 96859

ZIPCityDistance
96858 Fort Shafter, HI 1.1 mi
96819 Honolulu, HI 1.2 mi
96838 Honolulu, HI 1.2 mi
96849 Honolulu, HI 2.5 mi
96820 Honolulu, HI 2.6 mi
96861 Camp H M Smith, HI 2.6 mi
96846 Honolulu, HI 3.0 mi
96701 Aiea, HI 3.2 mi
96818 Honolulu, HI 3.4 mi
96837 Honolulu, HI 3.5 mi

Find every ZIP code within 10 miles of 96859 →

Questions about this ZIP code

Where is ZIP code 96859?

96859 is in Tripler Army Medical Center, Hawaii, in Honolulu County, part of the Urban Honolulu, HI metropolitan area. Its published point location is 21.3601, -157.8898.

What county is 96859 in?

96859 lies in Honolulu County.

What area code is 96859?

Tripler Army Medical Center uses area code 808, from NANPA's telephone records.

What time zone is 96859 in?

96859 uses Pacific/Honolulu.

How many people live in 96859?

About 0 people live in ZIP code 96859. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 96859?

The closest are 96858 (1.1 mi), 96819 (1.2 mi), 96838 (1.2 mi), 96849 (2.5 mi) and 96820 (2.6 mi).

Is 96859 a PO Box ZIP code?

96859 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “96859 ZIP Code — Tripler Army Medical Center, Hawaii (Honolulu County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/96859

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