In which county is ZIP code 54904 located?

ZIP 54904 is listed under Winnebago, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 54904: Oshkosh, WI

ZIP: 54904

County: Winnebago

Coordinates: 44.03040, -88.60700

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 54904 in Oshkosh, WI. We include verified county details for Winnebago plus key geographic references used for mapping and logistics.

Primary City	Oshkosh
ZIP Code	54904
County	Winnebago
State	WI
Latitude / Longitude	44.03040, -88.60700
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 54904 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 54904 is commonly represented around 44.03040, -88.60700. These coordinates help identify the general area within Winnebago, WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 54904 for mail delivery and general location reference in Winnebago, WI.

This ZIP may extend beyond the city core into nearby communities within Winnebago.

Related ZIP Codes (Nearby)

Explore other postal codes near Oshkosh within WI.

Frequently Asked Questions

What is the primary city for ZIP code 54904?

The primary city for this ZIP code is Oshkosh, located in WI.

In which county is 54904 located?

ZIP code 54904 is situated within Winnebago, WI.

What are the coordinates for 54904?

The approximate center point is 44.03040 (Latitude) and -88.60700 (Longitude).

Is ZIP code 54904 active?

This page lists ZIP 54904 as Listed based on the latest refresh date shown above.

Does ZIP 54904 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08