ZIP Code 48161

48161 is one of Michigan's ZIP codes, delivering to addresses in Monroe, Monroe County.

City: Monroe
County: Monroe County
State: Michigan
Prefix: 481xx

Where this code sits

48161 is part of the 481xx range, the group of codes handled by one mail processing centre. Monroe is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Monroe page.

Monroe Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 48161 delivers to without sharing its boundary.

734 Area code 734

ZIP codes nearest 48161

The ZIP codes whose reference points sit closest to 48161.
ZIP code	Distance	Delivers to
ZIP code 48162	2.0 mi	Monroe, MI
ZIP code 48145	3.4 mi	La Salle, MI
ZIP code 48157	6.7 mi	Luna Pier, MI
ZIP code 48140	7.2 mi	Ida, MI
ZIP code 48159	8.7 mi	Maybee, MI
ZIP code 48133	8.7 mi	Erie, MI
ZIP code 48177	8.9 mi	Samaria, MI
ZIP code 48131	9.7 mi	Dundee, 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 48161, plotted from its record coordinates.

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

Scope ZIP code 48161. 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.