ZIP Code 49431

49431 is one of Michigan's ZIP codes, delivering to addresses in Ludington, Mason County.

City: Ludington
County: Mason County
State: Michigan
Prefix: 494xx

Where this code sits

49431 is part of the 494xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ludington.

Ludington Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 49431 delivers to without sharing its boundary.

231 Area code 231

ZIP codes nearest 49431

The ZIP codes whose reference points sit closest to 49431.
ZIP code	Distance	Delivers to
ZIP code 49454	8.0 mi	Scottville, MI
ZIP code 49449	10 mi	Pentwater, MI
ZIP code 49410	12 mi	Fountain, MI
ZIP code 49411	13 mi	Free Soil, MI
ZIP code 49405	13 mi	Custer, MI
ZIP code 49458	16 mi	Walhalla, MI
ZIP code 49634	19 mi	Filer City, MI
ZIP code 49420	19 mi	Hart, 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 49431, plotted from its record coordinates.

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

Scope ZIP code 49431. 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.