In which county is ZIP code 48091 located?

ZIP 48091 is listed under Macomb, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 48091: Warren, MI

ZIP: 48091

County: Macomb

Coordinates: 42.46650, -83.05930

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Warren, MI postal area 48091. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Warren
ZIP Code	48091
County	Macomb
State	MI
Latitude / Longitude	42.46650, -83.05930
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 48091 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 48091 is commonly represented around 42.46650, -83.05930. These coordinates help identify the general area within Macomb, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48091 for mail delivery and general location reference in Macomb, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Warren within MI.

Frequently Asked Questions

What is the primary city for ZIP code 48091?

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

In which county is 48091 located?

ZIP code 48091 is situated within Macomb, MI.

What are the coordinates for 48091?

The approximate center point is 42.46650 (Latitude) and -83.05930 (Longitude).

Is ZIP code 48091 active?

This page lists ZIP 48091 as Listed based on the latest refresh date shown above.

Does ZIP 48091 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