City · Wisconsin · United States

Oshkosh, WI — ZIP codes

5 ZIP codes · Winnebago County

City: Oshkosh
County: Winnebago
State: Wisconsin
Country: United States
Postal codes: 5490154902549035490454906
Single source
Coordinates: 44.0220, -88.5436 View on OpenStreetMap

ZIP codes (5)

Postal code	Place name	Verification
54901	Oshkosh	Single source
54902	Oshkosh	Single source
54903	Oshkosh	Single source
54904	Oshkosh	Single source
54906	Oshkosh	Single source

Sources and verification

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Last generated : 2026-08-21. Report an error.