In which county is ZIP code 54643 located?

ZIP 54643 is listed under Jackson, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 54643: Millston, WI

ZIP: 54643

County: Jackson

Coordinates: 44.18690, -90.63580

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 54643 in Millston, WI. We include verified county details for Jackson plus key geographic references used for mapping and logistics.

Primary City	Millston
ZIP Code	54643
County	Jackson
State	WI
Latitude / Longitude	44.18690, -90.63580
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 54643 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 54643 are listed as 44.18690 / -90.63580, useful for GPS and service checks in and around Millston, WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 54643 for mail delivery and general location reference in Jackson, WI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Millston within WI.

Frequently Asked Questions

What is the primary city for ZIP code 54643?

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

In which county is 54643 located?

ZIP code 54643 is situated within Jackson, WI.

What are the coordinates for 54643?

The approximate center point is 44.18690 (Latitude) and -90.63580 (Longitude).

Is ZIP code 54643 active?

This page lists ZIP 54643 as Listed based on the latest refresh date shown above.

Does ZIP 54643 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