In which county is ZIP code 49781 located?

ZIP 49781 is listed under Mackinac, MI.

When was this page updated?

This page was updated on 2026-01-30.

ZIP Code 49781: Saint Ignace, MI

ZIP: 49781

County: Mackinac

Coordinates: 45.99850, -84.69780

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Saint Ignace, MI postal area 49781. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Saint Ignace
ZIP Code	49781
County	Mackinac
State	MI
Latitude / Longitude	45.99850, -84.69780
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-30

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 49781 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 49781 are listed as 45.99850 / -84.69780, useful for GPS and service checks in and around Saint Ignace, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 49781 for mail delivery and general location reference in Mackinac, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Saint Ignace within MI.

Frequently Asked Questions

What is the primary city for ZIP code 49781?

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

In which county is 49781 located?

ZIP code 49781 is situated within Mackinac, MI.

What are the coordinates for 49781?

The approximate center point is 45.99850 (Latitude) and -84.69780 (Longitude).

Is ZIP code 49781 active?

This page lists ZIP 49781 as Listed based on the latest refresh date shown above.

Does ZIP 49781 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: 2026-01-30