ZIP Code 56138

56138 is one of Minnesota's ZIP codes, delivering to addresses in Hills, Rock County.

City: Hills
County: Rock County
State: Minnesota
Prefix: 561xx

Where this code sits

56138 is part of the 561xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hills.

Hills Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56138 delivers to without sharing its boundary.

ZIP codes nearest 56138

The ZIP codes whose reference points sit closest to 56138.
ZIP code	Distance	Delivers to
ZIP code 56173	6.0 mi	Steen, MN
ZIP code 56116	6.1 mi	Beaver Creek, MN
ZIP code 51242	6.3 mi	Lester, IA
ZIP code 51241	7.2 mi	Larchwood, IA
ZIP code 57068	7.2 mi	Valley Springs, SD
ZIP code 56156	11 mi	Luverne, MN
ZIP code 57005	12 mi	Brandon, SD
ZIP code 51246	12 mi	Rock Rapids, IA

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 56138, plotted from its record coordinates.

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

Scope ZIP code 56138. 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.