Postal reference / United States

48001Algonac, Michigan

ZIP code 48001 is a United States postal code for Algonac, Michigan. Its county association is St. Clair County. The map reference point is at 42.6367, -82.5866.

State / territory
Michigan
Recorded place name
Algonac
County association
St. Clair
Estimated coordinate
42.6367, -82.5866
View on OpenStreetMap
ZIP prefix
480 · 79 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
19.029 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
48028Harsens IslandMISt. Clair3.6
48039Marine CityMISt. Clair3.9
48023Fair HavenMISt. Clair6.2
48047New BaltimoreMIMacomb9.9
48054East ChinaMISt. Clair9.9
48064CascoMISt. Clair10.0
48045Harrison TownshipMIMacomb12.4
48051New BaltimoreMIMacomb12.5

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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