ZIP Code 48074

48074 is one of Michigan's ZIP codes, delivering to addresses in Smiths Creek, St. Clair County.

City: Smiths Creek
County: St. Clair County
State: Michigan
Prefix: 480xx

Where this code sits

48074 is part of the 480xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Smiths Creek.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48074 delivers to without sharing its boundary.

810 Area code 810

ZIP codes nearest 48074

The ZIP codes whose reference points sit closest to 48074.
ZIP code	Distance	Delivers to
ZIP code 48040	4.4 mi	Marysville, MI
ZIP code 48063	5.2 mi	Columbus, MI
ZIP code 48079	6.2 mi	Saint Clair, MI
ZIP code 48027	6.8 mi	Goodells, MI
ZIP code 48004	7.5 mi	Anchorville, MI
ZIP code 48060	8.3 mi	Port Huron, MI
ZIP code 48061	8.5 mi	Port Huron, MI
ZIP code 48054	8.9 mi	East China, 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 48074, plotted from its record coordinates.

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

Scope ZIP code 48074. 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.