In which county is ZIP code 48859 located?

ZIP 48859 is listed under Isabella, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 48859: Mount Pleasant, MI

ZIP: 48859

County: Isabella

Coordinates: 43.56470, -84.84730

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Mount Pleasant, MI postal area 48859. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Mount Pleasant
ZIP Code	48859
County	Isabella
State	MI
Latitude / Longitude	43.56470, -84.84730
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 48859 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 48859 is commonly represented around 43.56470, -84.84730. These coordinates help identify the general area within Isabella, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48859 for mail delivery and general location reference in Isabella, MI.

Some addresses near Mount Pleasant may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Mount Pleasant within MI.

Frequently Asked Questions

What is the primary city for ZIP code 48859?

The primary city for this ZIP code is Mount Pleasant, located in MI.

In which county is 48859 located?

ZIP code 48859 is situated within Isabella, MI.

What are the coordinates for 48859?

The approximate center point is 43.56470 (Latitude) and -84.84730 (Longitude).

Is ZIP code 48859 active?

This page lists ZIP 48859 as Listed based on the latest refresh date shown above.

Does ZIP 48859 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