Wausau, WI ZIP Codes
Wausau, Wisconsin has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Wausau ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Wausau ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
54402 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Wausau city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Wausau ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 54401 | street delivery Rothschild Sorting and Delivery Center |
| 54402 | PO boxes at the Wausau post office Wausau |
| 54403 | street delivery Rothschild Sorting and Delivery Center |
Why your mail may say Wausau when you live outside it
Wausau ZIP codes also cover Texas, Hewitt and Rib Mountain, so a letter addressed to Wausau can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Marathon County property records show which city you are in.
Wausau ZIP code questions
What is the main ZIP code for Wausau?
54401, the ZIP code of the main Rothschild Sorting and Delivery Center post office at 400 Creske Ave.
Which Wausau ZIP codes are for PO boxes only?
54402. Mail to it goes to boxes at the post office, not to street addresses.
What county is Wausau in?
Marathon County.
ZIP codes for towns near Wausau
More towns near Wausau: Manitowoc, Sun Prairie, Sheboygan, West Bend, Madison, Fitchburg, Menomonee Falls, Brookfield, Waukesha.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections