Find the last 4 digits (ZIP+4) for an address in 54904

ZIP 54904, Oshkosh, WI is filled in. Just type the street address.

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ZIP Code 54904 – Oshkosh, WI

Oshkosh, Wisconsin · Winnebago County · Central time

ZIP code54904
CityOshkosh
StateWisconsin
CountyWinnebago CountyFond du Lac County
Population22,273
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area77.88 sq mi
Center (lat, long)44.0234, -88.6238

Area codes in this area

274920

These are the area codes that most often serve ZIP 54904 (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

54903 Oshkosh · 3.3 mi54906 Oshkosh · 3.3 mi54901 Oshkosh · 5.1 mi54927 Butte Des Morts · 5.7 mi54985 Winnebago · 6.3 mi54902 Oshkosh · 6.7 mi54963 Omro · 7.3 mi54980 Waukau · 7.5 mi

About ZIP 54904

ZIP code 54904 is assigned to Oshkosh, Wisconsin. It crosses 2 counties; most of its land is in Winnebago County. Its Census area covers about 77.88 square miles of land. The closest neighboring ZIP is 54903 (Oshkosh), about 3.3 miles away.

Every address in 54904 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