ZIP Code 49405: Custer, MI
County: Mason
Coordinates: 43.93240, -86.17770
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the Custer, MI postal area 49405. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Custer |
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| ZIP Code | 49405 |
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| County | Mason |
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| State | MI |
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| Latitude / Longitude | 43.93240, -86.17770 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 49405 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 49405 are listed as 43.93240 / -86.17770, useful for GPS and service checks in and around Custer, MI.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 49405 for mail delivery and general location reference in
Mason,
MI.
This ZIP may extend beyond the city core into nearby communities within Mason.
Related ZIP Codes (Nearby)
Explore other postal codes near Custer within MI.
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Frequently Asked Questions
What is the primary city for ZIP code 49405?
The primary city for this ZIP code is Custer, located in MI.
In which county is 49405 located?
ZIP code 49405 is situated within Mason, MI.
What are the coordinates for 49405?
The approximate center point is 43.93240 (Latitude) and -86.17770 (Longitude).
Is ZIP code 49405 active?
This page lists ZIP 49405 as Listed based on the latest refresh date shown above.
Does ZIP 49405 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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