ZIP Code 48001

48001 is one of Michigan's ZIP codes, delivering to addresses in Algonac, St. Clair County.

City: Algonac
County: St. Clair County
State: Michigan
Prefix: 480xx

Where this code sits

48001 is part of the 480xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Algonac.

Algonac Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48001 delivers to without sharing its boundary.

ZIP codes nearest 48001

The ZIP codes whose reference points sit closest to 48001.
ZIP code	Distance	Delivers to
ZIP code 48028	3.6 mi	Harsens Island, MI
ZIP code 48039	3.9 mi	Marine City, MI
ZIP code 48023	6.2 mi	Fair Haven, MI
ZIP code 48047	9.9 mi	New Baltimore, MI
ZIP code 48054	9.9 mi	East China, MI
ZIP code 48064	10 mi	Casco, MI
ZIP code 48045	12 mi	Harrison Township, MI
ZIP code 48051	13 mi	New Baltimore, MI

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 48001, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 48001. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.