ZIP Code 48875

48875 is one of Michigan's ZIP codes, delivering to addresses in Portland, Ionia County.

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

Where this code sits

48875 is part of the 488xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Portland.

Portland Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48875 delivers to without sharing its boundary.

517 Area code 517

ZIP codes nearest 48875

The ZIP codes whose reference points sit closest to 48875.
ZIP code	Distance	Delivers to
ZIP code 48851	7.0 mi	Lyons, MI
ZIP code 48894	7.2 mi	Westphalia, MI
ZIP code 48890	7.3 mi	Sunfield, MI
ZIP code 48822	8.2 mi	Eagle, MI
ZIP code 48861	8.7 mi	Mulliken, MI
ZIP code 48873	10 mi	Pewamo, MI
ZIP code 48846	12 mi	Ionia, MI
ZIP code 48837	12 mi	Grand Ledge, 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 48875, plotted from its record coordinates.

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

Scope ZIP code 48875. 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.