In which county is ZIP code 49270 located?

ZIP 49270 is listed under Monroe, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 49270: Petersburg, MI

ZIP: 49270

County: Monroe

Coordinates: 41.87570, -83.68770

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Petersburg, MI postal area 49270. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Petersburg
ZIP Code	49270
County	Monroe
State	MI
Latitude / Longitude	41.87570, -83.68770
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 49270 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 49270 are listed as 41.87570 / -83.68770, useful for GPS and service checks in and around Petersburg, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 49270 for mail delivery and general location reference in Monroe, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Petersburg within MI.

Frequently Asked Questions

What is the primary city for ZIP code 49270?

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

In which county is 49270 located?

ZIP code 49270 is situated within Monroe, MI.

What are the coordinates for 49270?

The approximate center point is 41.87570 (Latitude) and -83.68770 (Longitude).

Is ZIP code 49270 active?

This page lists ZIP 49270 as Listed based on the latest refresh date shown above.

Does ZIP 49270 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