Manitowoc, WI ZIP Codes
Manitowoc, Wisconsin has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Manitowoc covers nearby places too.
Where the 54220 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
54221 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Manitowoc city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Manitowoc
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?
Manitowoc PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 54220 | street delivery Manitowoc |
| 54221 | PO boxes at the Manitowoc post office Manitowoc |
Why your mail may say Manitowoc when you live outside it
Manitowoc ZIP codes also cover Newton, Kossuth and Francis Creek, so a letter addressed to Manitowoc can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Manitowoc County property records show which city you are in.
Manitowoc ZIP code questions
What is the main ZIP code for Manitowoc?
54220, the ZIP code of the main Manitowoc post office at 1202 Franklin St.
Which Manitowoc ZIP codes are for PO boxes only?
54221. Mail to it goes to boxes at the post office, not to street addresses.
What county is Manitowoc in?
Manitowoc County.
ZIP codes for towns near Manitowoc
More towns near Manitowoc: Menomonee Falls, Milwaukee, Wauwatosa, Brookfield, West Allis, Greenfield, Waukesha, New Berlin, Oak Creek.
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