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/99811

99811

ZIP 99811 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, 99812 and 99850.

Type
No street area
Time zone
America/Juneau
County
Juneau
Metro area
Juneau, AK
Coordinates
58.3019, -134.4197

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 99811 — Juneau, AK

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Where 99811 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 99811
  • 🔢 Type 99811 into a pocket calculator and turn it upside down: IIBGG — not quite a word, sorry.
  • ➕ As a number, 99,811 = 151 × 661. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010111100011
  • 🏠 Its numerical neighbours: 99803 (Juneau, AK, 0 mi away) and 99812 (Juneau, AK, 3 mi away).
  • 🔄 Backwards, 99811 becomes 11899, which is not a ZIP code at all.
  • 👥 9 other ZIP codes are made of exactly the same digits (18991, 19891, 89119, 89191, 91189, 98119, …). The farthest-flung twin is 19891 in Wilmington, DE, 2,851 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
  • 🎯2,024 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99811 and you would come out at 58.30°S, 45.58°E — 1,170 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 99811 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees5This ZIP5
Annual payroll$369,000This ZIP$369,000

Land area

ZIP codes near 99811

ZIPCityDistance
99802 Juneau, AK 0.0 mi
99803 Juneau, AK 0.0 mi
99824 Douglas, AK 2.6 mi
99812 Juneau, AK 2.6 mi
99801 Juneau, AK 10.0 mi
99821 Auke Bay, AK 14.4 mi
99829 Hoonah, AK 37.6 mi
99850 Juneau, AK 40.6 mi
99841 Tenakee Springs, AK 46.6 mi
99826 Gustavus, AK 50.9 mi

Find every ZIP code within 10 miles of 99811 →

Questions about this ZIP code

Where is ZIP code 99811?

99811 is in Juneau, Alaska, in Juneau City and Borough, part of the Juneau, AK micropolitan area. Its published point location is 58.3019, -134.4197.

What county is 99811 in?

99811 lies in Juneau City and Borough.

What area code is 99811?

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

What time zone is 99811 in?

99811 uses America/Juneau.

What ZIP codes are near 99811?

The closest are 99802 (0 mi), 99803 (0 mi), 99824 (2.6 mi), 99812 (2.6 mi) and 99801 (10 mi).

Is 99811 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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Cite this page

zipcodes.pro. “99811 ZIP Code — Juneau, Alaska (Juneau City and Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99811

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/99811.json

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