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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/99812

99812

ZIP 99812 is in Juneau, Alaska, in Juneau City and Borough; area code 907; Alaska time. Juneau has 6 ZIP codes; the others are 99801, 99802, 99803, 99811 and 99850.

Type
No street area
Time zone
America/Juneau
County
Juneau
Metro area
Juneau, AK
Coordinates
58.3271, -134.4742

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 99801, whose figures describe that area — not this ZIP code.

☼ Live from 99812 — Juneau, AK

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Where 99812 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 99812
  • 🔢 Type 99812 into a pocket calculator and turn it upside down: ZIBGG — not quite a word, sorry.
  • ➕ As a number, 99,812 = 2 × 2 × 24953. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010111100100
  • 🏠 Its numerical neighbours: 99811 (Juneau, AK, 3 mi away) and 99820 (Angoon, AK, 66 mi away).
  • 🔄 Backwards, 99812 becomes 21899, which is not a ZIP code at all.
  • 👥 14 other ZIP codes are made of exactly the same digits (12989, 12998, 18929, 19892, 29819, 29918, …). The farthest-flung twin is 29918 in Estill, SC, 3,009 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
  • 🎯2,027 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99812 and you would come out at 58.33°S, 45.53°E — 1,172 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 18h 17m of daylight. Shortest: 6h 22m.
🌙 The sky over 99812 today
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Source: USGS.

Land area

ZIP codes near 99812

ZIPCityDistance
99802 Juneau, AK 2.6 mi
99803 Juneau, AK 2.6 mi
99811 Juneau, AK 2.6 mi
99824 Douglas, AK 5.0 mi
99801 Juneau, AK 11.2 mi
99821 Auke Bay, AK 11.8 mi
99829 Hoonah, AK 36.9 mi
99850 Juneau, AK 38.2 mi
99841 Tenakee Springs, AK 45.9 mi
99826 Gustavus, AK 48.7 mi

Find every ZIP code within 10 miles of 99812 →

Questions about this ZIP code

Where is ZIP code 99812?

99812 is in Juneau, Alaska, in Juneau City and Borough, part of the Juneau, AK micropolitan area. Its published point location is 58.3271, -134.4742.

What county is 99812 in?

99812 lies in Juneau City and Borough.

What area code is 99812?

Juneau uses area code 907, from NANPA's telephone records.

What time zone is 99812 in?

99812 uses America/Juneau.

What ZIP codes are near 99812?

The closest are 99802 (2.6 mi), 99803 (2.6 mi), 99811 (2.6 mi), 99824 (5 mi) and 99801 (11.2 mi).

Is 99812 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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zipcodes.pro. “99812 ZIP Code — Juneau, Alaska (Juneau City and Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99812

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