Find the last 4 digits (ZIP+4) for an address in 54234

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ZIP Code 54234 – Sister Bay, WI

Sister Bay, Wisconsin · Door County · Central time

ZIP code54234
CitySister Bay
StateWisconsin
CountyDoor County
Population2,158
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area23.45 sq mi
Center (lat, long)45.1820, -87.1015

Area codes in this area

274920

These are the area codes that most often serve ZIP 54234 (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

54211 Ephraim · 3.5 mi54210 Ellison Bay · 5.5 mi54202 Baileys Harbor · 6.8 mi54212 Fish Creek · 7.2 mi54209 Egg Harbor · 14 mi54246 Washington Island · 16.5 mi49858 Menominee · 21.9 mi49893 Wallace · 25.7 mi

About ZIP 54234

ZIP code 54234 is assigned to Sister Bay, Wisconsin. It lies in Door County. Its Census area covers about 23.45 square miles of land. The closest neighboring ZIP is 54211 (Ephraim), about 3.5 miles away.

Every address in 54234 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