ZIP Code 48138

48138 is one of Michigan's ZIP codes, delivering to addresses in Grosse Ile, Wayne County.

City: Grosse Ile
County: Wayne County
State: Michigan
Prefix: 481xx

Where this code sits

48138 is part of the 481xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grosse Ile.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48138 delivers to without sharing its boundary.

734 Area code 734

ZIP codes nearest 48138

The ZIP codes whose reference points sit closest to 48138.
ZIP code	Distance	Delivers to
ZIP code 48183	3.2 mi	Trenton, MI
ZIP code 48192	5.1 mi	Wyandotte, MI
ZIP code 48173	5.2 mi	Rockwood, MI
ZIP code 48195	5.3 mi	Southgate, MI
ZIP code 48193	5.5 mi	Riverview, MI
ZIP code 48134	6.6 mi	Flat Rock, MI
ZIP code 48121	7.2 mi	Dearborn, MI
ZIP code 48123	7.2 mi	Dearborn, 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 48138, plotted from its record coordinates.

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

Scope ZIP code 48138. 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.