ZIP Code 48091

48091 is one of Michigan's ZIP codes, delivering to addresses in Warren, Macomb County.

City: Warren
County: Macomb County
State: Michigan
Prefix: 480xx

Where this code sits

48091 is part of the 480xx range, the group of codes handled by one mail processing centre. Warren is served by 7 ZIP codes in total; the full list, with the county each falls in, is on the Warren page.

Warren Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48091 delivers to without sharing its boundary.

586 Area code 586

ZIP codes nearest 48091

The ZIP codes whose reference points sit closest to 48091.
ZIP code	Distance	Delivers to
ZIP code 48090	1.8 mi	Warren, MI
ZIP code 48015	2.0 mi	Center Line, MI
ZIP code 48397	2.0 mi	Warren, MI
ZIP code 48030	2.0 mi	Hazel Park, MI
ZIP code 48234	2.4 mi	Detroit, MI
ZIP code 48089	3.2 mi	Warren, MI
ZIP code 48092	3.2 mi	Warren, MI
ZIP code 48071	3.3 mi	Madison Heights, 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 48091, plotted from its record coordinates.

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

Scope ZIP code 48091. 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.