ZIP Code 49304

49304 is one of Michigan's ZIP codes, delivering to addresses in Baldwin, Lake County.

City: Baldwin
County: Lake County
State: Michigan
Prefix: 493xx

Where this code sits

49304 is part of the 493xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Baldwin.

Baldwin Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 49304 delivers to without sharing its boundary.

231 Area code 231

ZIP codes nearest 49304

The ZIP codes whose reference points sit closest to 49304.
ZIP code	Distance	Delivers to
ZIP code 49642	5.3 mi	Idlewild, MI
ZIP code 49402	8.2 mi	Branch, MI
ZIP code 49309	11 mi	Bitely, MI
ZIP code 49623	12 mi	Chase, MI
ZIP code 49458	12 mi	Walhalla, MI
ZIP code 49459	13 mi	Walkerville, MI
ZIP code 49312	15 mi	Brohman, MI
ZIP code 49644	15 mi	Irons, 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 49304, plotted from its record coordinates.

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

Scope ZIP code 49304. 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.