ZIP Code 48657

48657 is one of Michigan's ZIP codes, delivering to addresses in Sanford, Midland County.

City: Sanford
County: Midland County
State: Michigan
Prefix: 486xx

Where this code sits

48657 is part of the 486xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sanford.

Sanford Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48657 delivers to without sharing its boundary.

989 Area code 989

ZIP codes nearest 48657

The ZIP codes whose reference points sit closest to 48657.
ZIP code	Distance	Delivers to
ZIP code 48620	4.0 mi	Edenville, MI
ZIP code 48686	5.1 mi	Midland, MI
ZIP code 48628	5.7 mi	Hope, MI
ZIP code 48640	8.6 mi	Midland, MI
ZIP code 48670	9.0 mi	Midland, MI
ZIP code 48618	10 mi	Coleman, MI
ZIP code 48667	10 mi	Midland, MI
ZIP code 48642	11 mi	Midland, 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 48657, plotted from its record coordinates.

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

Scope ZIP code 48657. 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.