In which county is ZIP code 48638 located?

ZIP 48638 is listed under Gladwin County, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 48638: Saginaw, MI

ZIP: 48638

County: Gladwin County

Coordinates: 43.43430, -84.00910

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Saginaw, MI postal area 48638. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Saginaw
ZIP Code	48638
County	Gladwin County
State	MI
Latitude / Longitude	43.43430, -84.00910
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 48638 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 48638 is commonly represented around 43.43430, -84.00910. These coordinates help identify the general area within Gladwin County, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48638 for mail delivery and general location reference in Gladwin County, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Saginaw within MI.

Frequently Asked Questions

What is the primary city for ZIP code 48638?

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

In which county is 48638 located?

ZIP code 48638 is situated within Gladwin County, MI.

What are the coordinates for 48638?

The approximate center point is 43.43430 (Latitude) and -84.00910 (Longitude).

Is ZIP code 48638 active?

This page lists ZIP 48638 as Listed based on the latest refresh date shown above.

Does ZIP 48638 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