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/96931

96931

ZIP 96931 is in Tamuning, Guam; area code 671; Chamorro time. Tamuning has 2 ZIP codes; the other is 96911.

Type
No street area
Time zone
Pacific/Guam
County
none
Metro area
none
Coordinates
13.4443, 144.7863

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 96913, whose figures describe that area — not this ZIP code.

☼ Live from 96931 — Tamuning, GU

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Where 96931 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 96931
  • 🔢 Type 96931 into a pocket calculator and turn it upside down: IEGgG — not quite a word, sorry.
  • ➕ 96931 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111101010100011
  • 🏠 Its numerical neighbours: 96930 (Talofofo, GU, 0 mi away) and 96932 (Hagatna, GU, 3 mi away).
  • 🔄 Backwards, 96931 becomes 13969, which is not a ZIP code at all.
  • 👥 19 other ZIP codes are made of exactly the same digits (13699, 16939, 19369, 19936, 19963, 31699, …). The farthest-flung twin is 31699 in Moody Afb, GA, 8,016 miles away.
  • 🧭 Farther south than 99% of all ZIP codes, and farther east than 99%.
  • 🎯6,959 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 96931 and you would come out at 13.44°S, 35.21°W — 215 miles from Aracaju, Brazil, the nearest big city to that spot.
  • ☀Longest day of the year: 12h 55m of daylight. Shortest: 11h 20m.
🌙 The sky over 96931 today
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Source: USGS.

Land area

ZIP codes near 96931

ZIPCityDistance
96911 Tamuning, GU 0.0 mi
96912 Dededo, GU 0.0 mi
96914 Yona, GU 0.0 mi
96918 Umatac, GU 0.0 mi
96919 Agana Heights, GU 0.0 mi
96922 Asan, GU 0.0 mi
96923 Mangilao, GU 0.0 mi
96925 Piti, GU 0.0 mi
96926 Sinajana, GU 0.0 mi
96927 Mongmong, GU 0.0 mi

Find every ZIP code within 10 miles of 96931 →

Questions about this ZIP code

Where is ZIP code 96931?

96931 is in Tamuning, Guam. Its published point location is 13.4443, 144.7863.

What county is 96931 in?

96931 belongs to no county — military ZIP codes are mail routing codes, not places.

What area code is 96931?

Tamuning uses area code 671, from NANPA's telephone records.

What time zone is 96931 in?

96931 uses Pacific/Guam.

What ZIP codes are near 96931?

The closest are 96911 (0 mi), 96912 (0 mi), 96914 (0 mi), 96918 (0 mi) and 96919 (0 mi).

Is 96931 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. “96931 ZIP Code — Tamuning, Guam.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/96931

Machine-readable version of these facts:

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