Zip Area Code

Manitowoc, Wisconsin

Manitowoc, Wisconsin, in Manitowoc County, has ZIP codes 54220 and 54221 and area code 920, with 274 as an overlay.

ZIP codes
54220, 54221
Area codes
920, 274
Time zone
Central Time
Coordinates
44.1147, -87.6406

ZIP codes in Manitowoc

ZIP codePost officeCountyArea codes
54220ManitowocManitowoc County920, 274
54221*ManitowocManitowoc County920, 274

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Manitowoc

  • Area code 920

    In service since July 26, 1997. Shares its area with 274. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 274

    In service since May 5, 2023. Shares its area with 920. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Manitowoc is in the Central Time zone.

Towns near Manitowoc