ZIP Code 48421: Columbiaville, MI
County: Lapeer
Coordinates: 43.15030, -83.38110
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Explore detailed information for ZIP code 48421 in Columbiaville, MI. We include verified county details for Lapeer plus key geographic references used for mapping and logistics.
| Primary City | Columbiaville |
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| ZIP Code | 48421 |
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| County | Lapeer |
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| State | MI |
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| Latitude / Longitude | 43.15030, -83.38110 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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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 48421 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 48421 is approximately 43.15030 (latitude) and -83.38110 (longitude). This location sits within Lapeer, contributing to regional planning across MI.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48421 for mail delivery and general location reference in
Lapeer,
MI.
This ZIP may extend beyond the city core into nearby communities within Lapeer.
Related ZIP Codes (Nearby)
Explore other postal codes near Columbiaville within MI.
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Frequently Asked Questions
What is the primary city for ZIP code 48421?
The primary city for this ZIP code is Columbiaville, located in MI.
In which county is 48421 located?
ZIP code 48421 is situated within Lapeer, MI.
What are the coordinates for 48421?
The approximate center point is 43.15030 (Latitude) and -83.38110 (Longitude).
Is ZIP code 48421 active?
This page lists ZIP 48421 as Listed based on the latest refresh date shown above.
Does ZIP 48421 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