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/CHELSEA

Chelsea ZIP codes, Wisconsin

No ZIP code is named for Chelsea, WI; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 54451 and 54490. Its area code is 715.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
75
Area code
715

NANPA lists no telephone rate centre for Chelsea itself, so these are the area codes of the nearest one, Medford (0.0 miles). A town on an area-code boundary can differ from its neighbour.

ZIP codes covering Chelsea

These ZIP codes cover part of Chelsea but are addressed as somewhere else.

ZIP codes overlapping Chelsea
ZIP City Type Population Median income Median home
54451 Medford , WI Standard 11,198 $71,349 $213,700
54490 Westboro , WI Standard 1,085 $67,981 $190,600

Map of Chelsea ZIP codes

The ZIP codes of Chelsea, 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 Chelsea

The nearest larger towns are Westboro (227 people, 4.7 mi), Whittlesey (77 people, 5.1 mi) and Rib Lake (888 people, 5.3 mi).

Towns near Chelsea
TownPopulationDistance
Medford 4,431 11.0 mi

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

Cite this page

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

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