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/54906

54906

ZIP 54906 is in Oshkosh, Wisconsin, in Winnebago County; area code 920; Central time. Oshkosh has 5 ZIP codes; the others are 54901, 54902, 54903 and 54904.

Type
No street area
Time zone
America/Chicago
County
Winnebago
Metro area
Oshkosh-Neenah, WI
Coordinates
44.0686, -88.6449

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 54904, whose figures describe that area — not this ZIP code.

☼ Live from 54906 — Oshkosh, WI

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Where 54906 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 54906
  • 🔢 Type 54906 into a pocket calculator and turn it upside down: gOGhS — not quite a word, sorry.
  • ➕ As a number, 54,906 = 2 × 3 × 9151. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011001111010
  • 🏠 Its numerical neighbours: 54904 (Oshkosh, WI, 3 mi away) and 54909 (Almond, WI, 39 mi away).
  • 🔄 Backwards, 54906 becomes 60945 — and that is a real ZIP code: Iroquois, IL, 230 miles away.
  • 👥 47 other ZIP codes are made of exactly the same digits (04956, 04965, 05469, 05649, 06459, 06495, …). The farthest-flung twin is 96450 in FPO AA, a military post office, 7,980 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther west than 52%.
  • 🎯588 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54906 and you would come out at 44.07°S, 91.36°E — 1,061 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 30m of daylight. Shortest: 8h 53m.
🌙 The sky over 54906 today
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Source: USGS.

Land area

ZIP codes near 54906

ZIPCityDistance
54903 Oshkosh, WI 0.0 mi
54927 Butte Des Morts, WI 2.4 mi
54904 Oshkosh, WI 3.3 mi
54901 Oshkosh, WI 5.4 mi
54986 Winneconne, WI 6.1 mi
54985 Winnebago, WI 6.2 mi
54963 Omro, WI 6.3 mi
54980 Waukau, WI 8.3 mi
54947 Larsen, WI 9.7 mi
54956 Neenah, WI 9.8 mi

Find every ZIP code within 10 miles of 54906 →

Questions about this ZIP code

Where is ZIP code 54906?

54906 is in Oshkosh, Wisconsin, in Winnebago County, part of the Oshkosh-Neenah, WI metropolitan area. Its published point location is 44.0686, -88.6449.

What county is 54906 in?

54906 lies in Winnebago County.

What area code is 54906?

Oshkosh uses area code 920, from NANPA's telephone records.

What time zone is 54906 in?

54906 uses America/Chicago.

What ZIP codes are near 54906?

The closest are 54903 (0 mi), 54927 (2.4 mi), 54904 (3.3 mi), 54901 (5.4 mi) and 54986 (6.1 mi).

Is 54906 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. “54906 ZIP Code — Oshkosh, Wisconsin (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54906

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/54906.json

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