In which county is ZIP code 54143 located?

ZIP 54143 is listed under Marinette, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 54143: Marinette, WI

ZIP: 54143

County: Marinette

Coordinates: 45.08740, -87.66970

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Marinette, WI postal area 54143. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Marinette
ZIP Code	54143
County	Marinette
State	WI
Latitude / Longitude	45.08740, -87.66970
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 54143 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 54143 is approximately 45.08740 (latitude) and -87.66970 (longitude). This location sits within Marinette, contributing to regional planning across WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 54143 for mail delivery and general location reference in Marinette, WI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Marinette within WI.

Frequently Asked Questions

What is the primary city for ZIP code 54143?

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

In which county is 54143 located?

ZIP code 54143 is situated within Marinette, WI.

What are the coordinates for 54143?

The approximate center point is 45.08740 (Latitude) and -87.66970 (Longitude).

Is ZIP code 54143 active?

This page lists ZIP 54143 as Listed based on the latest refresh date shown above.

Does ZIP 54143 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