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 — CITY/WI/WINNEBAGO

Winnebago ZIP code, Wisconsin

The ZIP code for Winnebago, WI is 54985, and its area code is 920.

USPS city name
1 ZIP code
Population
249
Area code
920

NANPA lists no telephone rate centre for Winnebago itself, so these are the area codes of the nearest one, Oshkosh (1.2 miles). A town on an area-code boundary can differ from its neighbour.

Winnebago in numbers

About 249 people live in Winnebago.

Population249Winnebago249

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Winnebago. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Winnebago

ZIP codes with the USPS city name Winnebago
ZIP City Type Population Median income Median home
54985 Winnebago , WI Standard 249 — —

Map of Winnebago ZIP codes

54985

The ZIP codes of Winnebago, WI, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Winnebago

The nearest larger towns are Oshkosh (66,729 people, 4.2 mi), Neenah (27,336 people, 6.5 mi) and Butte des Morts (1,064 people, 7.1 mi).

Towns near Winnebago
TownPopulationDistance
Oshkosh 66,729 4.2 mi
Neenah 27,336 6.5 mi
Winneconne 2,511 9.9 mi
Fox Crossing 19,131 10.4 mi
Menasha 18,273 10.5 mi
Omro 3,642 11.1 mi
Harrison 13,658 13.8 mi
Sherwood 3,252 14.0 mi
Greenville 12,987 14.5 mi
Appleton 75,023 15.5 mi
Kimberly 7,447 16.0 mi
Combined Locks 3,622 16.6 mi
Little Chute 11,754 17.9 mi
Chilton 4,049 18.1 mi

More nearby: every ZIP code in Winnebago County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “Winnebago, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/winnebago

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