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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/99631

99631

ZIP 99631 is Moose Pass, Alaska, in Kenai Peninsula Borough; area code 907; Alaska time.

Type
Standard
Time zone
America/Anchorage
Metro area
none
Population
222
Coordinates
60.5963, -149.6383
☼ Live from 99631 — Moose Pass, AK

Weather right now

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NEXRAD radar
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Local time: —

Where 99631 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 99631
  • 🔢 Type 99631 into a pocket calculator and turn it upside down: IEgGG — not quite a word, sorry.
  • ➕ As a number, 99,631 = 7 × 43 × 331. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010100101111
  • 🏠 Its numerical neighbours: 99630 (Mekoryuk, AK, 565 mi away) and 99632 (Mountain Village, AK, 475 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 99631 becomes 13699 — and that is a real ZIP code: Potsdam, NY, 3,122 miles away.
  • 👥 19 other ZIP codes are made of exactly the same digits (13699, 16939, 19369, 19936, 19963, 31699, …). The farthest-flung twin is 96931 in Tamuning, GU, 4,589 miles away.
  • 🧭 Farther north than 99% of all ZIP codes, and farther west than 99%.
  • 🎯2,581 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99631 and you would come out at 60.60°S, 30.36°E — 1,726 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 19h 06m of daylight. Shortest: 5h 40m.
  • 📏 At 436.6 square miles of land, 99631 is bigger than 97% of ZIP codes — room for about 331 Central Parks.
🌙 The sky over 99631 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population222This ZIP222
Households63This ZIP63
Housing units184This ZIP184
Median age30.7This ZIP30.7Alaska35.8US 38.9
Median home value$364,800This ZIP$364,800Alaska$352,900US $332,700
Bachelor's degree or higher7.2%This ZIP7.2%
Mean commute67.1 minThis ZIP67.1 min
Population density0.5 / sq miThis ZIP0.5 / sq mi

Business and tax activity

Business establishments6This ZIP6
Employees17This ZIP17
Annual payroll$5,125,000This ZIP$5,125,000
Tax returns filed140This ZIP140
Total adjusted gross income$11,101,000This ZIP$11,101,000

Land area

Land area436.65 sq miThis ZIP436.65 sq mi
Water area5.55 sq miThis ZIP5.55 sq mi

Other place names in 99631

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

ZIP codes near 99631

ZIPCityDistance
99572 Cooper Landing, AK 11.6 mi
99605 Hope, AK 19.7 mi
99540 Indian, AK 30.5 mi
99664 Seward, AK 32.3 mi
99511 Anchorage, AK 33.1 mi
99516 Anchorage, AK 33.5 mi
99507 Anchorage, AK 35.9 mi
99587 Girdwood, AK 36.2 mi
99515 Anchorage, AK 36.9 mi
99672 Sterling, AK 38.2 mi

Find every ZIP code within 10 miles of 99631 →

Questions about this ZIP code

Where is ZIP code 99631?

99631 is in Moose Pass, Alaska, in Kenai Peninsula Borough. Its published point location is 60.5963, -149.6383.

What county is 99631 in?

99631 lies in Kenai Peninsula Borough.

What area code is 99631?

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

What time zone is 99631 in?

99631 uses America/Anchorage.

How many people live in 99631?

About 222 people live in ZIP code 99631, in 63 households, at 0.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 99631?

The closest are 99572 (11.6 mi), 99605 (19.7 mi), 99540 (30.5 mi), 99664 (32.3 mi) and 99511 (33.1 mi).

Is 99631 a PO Box ZIP code?

99631 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99631 ZIP Code — Moose Pass, Alaska (Kenai Peninsula Borough).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99631

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