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/99511

99511

ZIP 99511 is in Anchorage, Alaska, in Anchorage Municipality; area code 907; Alaska time. Anchorage has 25 ZIP codes in all.

Type
No street area
Time zone
America/Anchorage
County
Anchorage
Metro area
Anchorage, AK
Coordinates
61.0683, -149.8005

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 99516, whose figures describe that area — not this ZIP code.

☼ Live from 99511 — Anchorage, AK

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Where 99511 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 99511
  • 🔢 Type 99511 into a pocket calculator and turn it upside down: IISGG — not quite a word, sorry.
  • ➕ As a number, 99,511 = 191 × 521. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010010110111
  • 🏠 Its numerical neighbours: 99510 (Anchorage, AK, 6 mi away) and 99513 (Anchorage, AK, 11 mi away).
  • 🔄 Backwards, 99511 becomes 11599 — and that is a real ZIP code: Garden City, NY, 3,372 miles away.
  • 👥 12 other ZIP codes are made of exactly the same digits (11599, 11959, 19195, 19519, 19951, 59911, …). The farthest-flung twin is 19951 in Harbeson, DE, 3,429 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
  • 🎯2,592 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99511 and you would come out at 61.07°S, 30.20°E — 1,736 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 19h 18m of daylight. Shortest: 5h 30m.
🌙 The sky over 99511 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments13This ZIP13
Employees66This ZIP66
Annual payroll$4,296,000This ZIP$4,296,000

Land area

ZIP codes near 99511

ZIPCityDistance
99516 Anchorage, AK 3.1 mi
99515 Anchorage, AK 4.5 mi
99510 Anchorage, AK 5.9 mi
99518 Anchorage, AK 6.9 mi
99507 Anchorage, AK 7.0 mi
99529 Anchorage, AK 7.5 mi
99599 Anchorage, AK 8.6 mi
99508 Anchorage, AK 9.2 mi
99502 Anchorage, AK 9.3 mi
99517 Anchorage, AK 9.6 mi

Find every ZIP code within 10 miles of 99511 →

Questions about this ZIP code

Where is ZIP code 99511?

99511 is in Anchorage, Alaska, in Anchorage Municipality, part of the Anchorage, AK metropolitan area. Its published point location is 61.0683, -149.8005.

What county is 99511 in?

99511 lies in Anchorage Municipality.

What area code is 99511?

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

What time zone is 99511 in?

99511 uses America/Anchorage.

What ZIP codes are near 99511?

The closest are 99516 (3.1 mi), 99515 (4.5 mi), 99510 (5.9 mi), 99518 (6.9 mi) and 99507 (7 mi).

Is 99511 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. “99511 ZIP Code — Anchorage, Alaska (Anchorage Municipality).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99511

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curl https://zipcodes.pro/zip/99511.json

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