In which county is ZIP code 48457 located?

ZIP 48457 is listed under Genesee County, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 48457: Montrose, MI

ZIP: 48457

County: Genesee County

Coordinates: 43.17540, -83.88240

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 48457 in Montrose, MI. We include verified county details for Genesee County plus key geographic references used for mapping and logistics.

Primary City	Montrose
ZIP Code	48457
County	Genesee County
State	MI
Latitude / Longitude	43.17540, -83.88240
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 48457 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 48457 is approximately 43.17540 (latitude) and -83.88240 (longitude). This location sits within Genesee County, contributing to regional planning across MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48457 for mail delivery and general location reference in Genesee County, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Montrose within MI.

Frequently Asked Questions

What is the primary city for ZIP code 48457?

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

In which county is 48457 located?

ZIP code 48457 is situated within Genesee County, MI.

What are the coordinates for 48457?

The approximate center point is 43.17540 (Latitude) and -83.88240 (Longitude).

Is ZIP code 48457 active?

This page lists ZIP 48457 as Listed based on the latest refresh date shown above.

Does ZIP 48457 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