ZIP Code 48728

48728 is one of Michigan's ZIP codes, delivering to addresses in Curran, Alcona County.

City: Curran
County: Alcona County
State: Michigan
Prefix: 487xx

Where this code sits

48728 is part of the 487xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Curran.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48728 delivers to without sharing its boundary.

989 Area code 989

ZIP codes nearest 48728

The ZIP codes whose reference points sit closest to 48728.
ZIP code	Distance	Delivers to
ZIP code 48621	11 mi	Fairview, MI
ZIP code 48619	12 mi	Comins, MI
ZIP code 48705	12 mi	Barton City, MI
ZIP code 48737	14 mi	Glennie, MI
ZIP code 48647	16 mi	Mio, MI
ZIP code 49747	16 mi	Hubbard Lake, MI
ZIP code 48761	16 mi	South Branch, MI
ZIP code 48762	17 mi	Spruce, 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 48728, plotted from its record coordinates.

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

Scope ZIP code 48728. 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.