Find the last 4 digits (ZIP+4) for an address in 54303

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ZIP Code 54303 – Green Bay, WI

Green Bay, Wisconsin · Brown County · Central time

ZIP code54303
CityGreen Bay
StateWisconsin
CountyBrown County
Population28,153
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area11.49 sq mi
Center (lat, long)44.5433, -88.0472

Area codes in this area

274920

These are the area codes that most often serve ZIP 54303 (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

54306 Green Bay · 2.1 mi54308 Green Bay · 2.1 mi54304 Green Bay · 3.6 mi54302 Green Bay · 4.3 mi54313 Green Bay · 4.3 mi54301 Green Bay · 4.6 mi54307 Green Bay · 5.1 mi54305 Green Bay · 6.1 mi

About ZIP 54303

ZIP code 54303 is assigned to Green Bay, Wisconsin. It lies in Brown County. Its Census area covers about 11.49 square miles of land. The closest neighboring ZIP is 54306 (Green Bay), about 2.1 miles away.

Every address in 54303 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