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/54936

54936

ZIP 54936 is in Fond Du Lac, Wisconsin, in Fond du Lac County; area code 920; Central time. Fond Du Lac has 3 ZIP codes; the others are 54935 and 54937.

Type
No street area
Time zone
America/Chicago
County
Fond du Lac
Metro area
Fond du Lac, WI
Coordinates
43.7750, -88.4388

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 54935, whose figures describe that area — not this ZIP code.

☼ Live from 54936 — Fond Du Lac, WI

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 54936 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 54936
  • 🔢 Type 54936 into a pocket calculator and turn it upside down: gEGhS — not quite a word, sorry.
  • ➕ As a number, 54,936 = 2 × 2 × 2 × 3 × 3 × 7 × 109. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011010011000
  • 🏠 Its numerical neighbours: 54935 (Fond Du Lac, WI, 0 mi away) and 54937 (Fond Du Lac, WI, 4 mi away).
  • 🔄 Backwards, 54936 becomes 63945 — and that is a real ZIP code: Harviell, MO, 505 miles away.
  • 👥 52 other ZIP codes are made of exactly the same digits (34695, 34956, 35469, 35649, 35964, 36549, …). The farthest-flung twin is 96534 in FPO AA, a military post office, 9,232 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther west than 52%.
  • 🎯589 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54936 and you would come out at 43.77°S, 91.56°E — 1,080 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
🌙 The sky over 54936 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments36This ZIP36
Employees2,104This ZIP2,104
Annual payroll$184,982,000This ZIP$184,982,000

Land area

ZIP codes near 54936

ZIPCityDistance
54935 Fond Du Lac, WI 0.3 mi
54937 Fond Du Lac, WI 4.1 mi
54979 Van Dyne, WI 8.3 mi
53019 Eden, WI 8.7 mi
53065 Oakfield, WI 9.3 mi
54932 Eldorado, WI 10.1 mi
53057 Mount Calvary, WI 10.2 mi
54974 Rosendale, WI 10.7 mi
53049 Malone, WI 10.7 mi
53006 Brownsville, WI 11.7 mi

Find every ZIP code within 10 miles of 54936 →

Questions about this ZIP code

Where is ZIP code 54936?

54936 is in Fond Du Lac, Wisconsin, in Fond du Lac County, part of the Fond du Lac, WI metropolitan area. Its published point location is 43.7750, -88.4388.

What county is 54936 in?

54936 lies in Fond du Lac County.

What area code is 54936?

Fond Du Lac uses area code 920, from NANPA's telephone records.

What time zone is 54936 in?

54936 uses America/Chicago.

What ZIP codes are near 54936?

The closest are 54935 (0.3 mi), 54937 (4.1 mi), 54979 (8.3 mi), 53019 (8.7 mi) and 53065 (9.3 mi).

Is 54936 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.

Download or cite

Cite this page

zipcodes.pro. “54936 ZIP Code — Fond Du Lac, Wisconsin (Fond du Lac County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54936

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/54936.json

Underlying data is public domain or openly licensed — sources, vintages and licences.