In which county is ZIP code 54401 located?

ZIP 54401 is listed under Marathon, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 54401: Wausau, WI

ZIP: 54401

County: Marathon

Coordinates: 44.96540, -89.70660

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Wausau, WI postal area 54401. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Wausau
ZIP Code	54401
County	Marathon
State	WI
Latitude / Longitude	44.96540, -89.70660
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 54401 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 54401 is approximately 44.96540 (latitude) and -89.70660 (longitude). This location sits within Marathon, contributing to regional planning across WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 54401 for mail delivery and general location reference in Marathon, WI.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Wausau.

Related ZIP Codes (Nearby)

Explore other postal codes near Wausau within WI.

Frequently Asked Questions

What is the primary city for ZIP code 54401?

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

In which county is 54401 located?

ZIP code 54401 is situated within Marathon, WI.

What are the coordinates for 54401?

The approximate center point is 44.96540 (Latitude) and -89.70660 (Longitude).

Is ZIP code 54401 active?

This page lists ZIP 54401 as Listed based on the latest refresh date shown above.

Does ZIP 54401 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