ZIP Code 48890

48890 is one of Michigan's ZIP codes, delivering to addresses in Sunfield, Eaton County.

City: Sunfield
County: Eaton County
State: Michigan
Prefix: 488xx

Where this code sits

48890 is part of the 488xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sunfield.

Sunfield Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48890 delivers to without sharing its boundary.

517 Area code 517

ZIP codes nearest 48890

The ZIP codes whose reference points sit closest to 48890.
ZIP code	Distance	Delivers to
ZIP code 48861	4.8 mi	Mulliken, MI
ZIP code 48875	7.3 mi	Portland, MI
ZIP code 48849	7.9 mi	Lake Odessa, MI
ZIP code 48897	8.8 mi	Woodland, MI
ZIP code 49096	9.1 mi	Vermontville, MI
ZIP code 48822	12 mi	Eagle, MI
ZIP code 48837	12 mi	Grand Ledge, MI
ZIP code 48851	14 mi	Lyons, 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 48890, plotted from its record coordinates.

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

Scope ZIP code 48890. 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.