ZIP Code 49242

49242 is one of Michigan's ZIP codes, delivering to addresses in Hillsdale, Hillsdale County.

City: Hillsdale
County: Hillsdale County
State: Michigan
Prefix: 492xx

Where this code sits

49242 is part of the 492xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hillsdale.

Hillsdale Michigan ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 49242 delivers to without sharing its boundary.

517 Area code 517

ZIP codes nearest 49242

The ZIP codes whose reference points sit closest to 49242.
ZIP code	Distance	Delivers to
ZIP code 49250	4.1 mi	Jonesville, MI
ZIP code 49266	6.0 mi	Osseo, MI
ZIP code 49262	6.1 mi	North Adams, MI
ZIP code 49227	7.9 mi	Allen, MI
ZIP code 49274	9.2 mi	Reading, MI
ZIP code 49271	9.3 mi	Pittsford, MI
ZIP code 49258	9.6 mi	Mosherville, MI
ZIP code 49239	9.8 mi	Frontier, 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 49242, plotted from its record coordinates.

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

Scope ZIP code 49242. 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.