In which county is ZIP code 48001 located?

ZIP 48001 is listed under St. Clair, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 48001: Algonac, MI

ZIP: 48001

County: St. Clair

Coordinates: 42.63670, -82.58660

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Algonac, MI postal area 48001. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Algonac
ZIP Code	48001
County	St. Clair
State	MI
Latitude / Longitude	42.63670, -82.58660
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 48001 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 48001 is approximately 42.63670 (latitude) and -82.58660 (longitude). This location sits within St. Clair, contributing to regional planning across MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48001 for mail delivery and general location reference in St. Clair, MI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Algonac within MI.

Frequently Asked Questions

What is the primary city for ZIP code 48001?

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

In which county is 48001 located?

ZIP code 48001 is situated within St. Clair, MI.

What are the coordinates for 48001?

The approximate center point is 42.63670 (Latitude) and -82.58660 (Longitude).

Is ZIP code 48001 active?

This page lists ZIP 48001 as Listed based on the latest refresh date shown above.

Does ZIP 48001 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