ZIP Code 48860

48860 is one of Michigan's ZIP codes, delivering to addresses in Muir, Ionia County.

City: Muir
County: Ionia County
State: Michigan
Prefix: 488xx

Where this code sits

48860 is part of the 488xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Muir.

Muir Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48860 delivers to without sharing its boundary.

989 Area code 989

ZIP codes nearest 48860

The ZIP codes whose reference points sit closest to 48860.
ZIP code	Distance	Delivers to
ZIP code 48870	5.3 mi	Palo, MI
ZIP code 48873	5.4 mi	Pewamo, MI
ZIP code 48851	5.6 mi	Lyons, MI
ZIP code 48845	5.9 mi	Hubbardston, MI
ZIP code 48846	7.8 mi	Ionia, MI
ZIP code 48811	9.4 mi	Carson City, MI
ZIP code 48865	9.5 mi	Orleans, MI
ZIP code 48835	9.7 mi	Fowler, 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 48860, plotted from its record coordinates.

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

Scope ZIP code 48860. 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.