Find the last 4 digits (ZIP+4) for an address in 54205

ZIP 54205, Casco, WI is filled in. Just type the street address.

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ZIP Code 54205 – Casco, WI

Casco, Wisconsin · Kewaunee County · Central time

ZIP code54205
CityCasco
StateWisconsin
CountyKewaunee CountyDoor County
Population2,229
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area44.13 sq mi
Center (lat, long)44.6108, -87.6324

Area codes in this area

274920

These are the area codes that most often serve ZIP 54205 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

54217 Luxemburg · 6 mi54201 Algoma · 7.2 mi54213 Forestville · 7.8 mi54229 New Franken · 9.6 mi54204 Brussels · 10.1 mi54226 Maplewood · 12.1 mi54216 Kewaunee · 12.3 mi54311 Green Bay · 15.6 mi

About ZIP 54205

ZIP code 54205 is assigned to Casco, Wisconsin. It crosses 2 counties; most of its land is in Kewaunee County. Its Census area covers about 44.13 square miles of land. The closest neighboring ZIP is 54217 (Luxemburg), about 6 miles away.

Every address in 54205 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources