ZIP Code 48457

48457 is one of Michigan's ZIP codes, delivering to addresses in Montrose, Genesee County.

City: Montrose
County: Genesee County
State: Michigan
Prefix: 484xx

Where this code sits

48457 is part of the 484xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Montrose.

Montrose Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48457 delivers to without sharing its boundary.

ZIP codes nearest 48457

The ZIP codes whose reference points sit closest to 48457.
ZIP code	Distance	Delivers to
ZIP code 48417	5.7 mi	Burt, MI
ZIP code 48460	5.8 mi	New Lothrop, MI
ZIP code 48433	7.4 mi	Flushing, MI
ZIP code 48415	7.7 mi	Birch Run, MI
ZIP code 48420	7.9 mi	Clio, MI
ZIP code 48557	8.2 mi	Flint, MI
ZIP code 48504	11 mi	Flint, MI
ZIP code 48458	11 mi	Mount Morris, 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 48457, plotted from its record coordinates.

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

Scope ZIP code 48457. 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.