In which county is ZIP code 48877 located?

ZIP 48877 is listed under Gratiot, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 48877: Riverdale, MI

ZIP: 48877

County: Gratiot

Coordinates: 43.40170, -84.84290

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Riverdale, MI postal area 48877. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Riverdale
ZIP Code	48877
County	Gratiot
State	MI
Latitude / Longitude	43.40170, -84.84290
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 48877 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 48877 are listed as 43.40170 / -84.84290, useful for GPS and service checks in and around Riverdale, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48877 for mail delivery and general location reference in Gratiot, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Riverdale within MI.

Frequently Asked Questions

What is the primary city for ZIP code 48877?

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

In which county is 48877 located?

ZIP code 48877 is situated within Gratiot, MI.

What are the coordinates for 48877?

The approximate center point is 43.40170 (Latitude) and -84.84290 (Longitude).

Is ZIP code 48877 active?

This page lists ZIP 48877 as Listed based on the latest refresh date shown above.

Does ZIP 48877 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