ZIP Code 56137

56137 is one of Minnesota's ZIP codes, delivering to addresses in Heron Lake, Jackson County.

City: Heron Lake
County: Jackson County
State: Minnesota
Prefix: 561xx

Where this code sits

56137 is part of the 561xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Heron Lake.

Heron Lake Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56137 delivers to without sharing its boundary.

ZIP codes nearest 56137

The ZIP codes whose reference points sit closest to 56137.
ZIP code	Distance	Delivers to
ZIP code 56161	5.2 mi	Okabena, MN
ZIP code 56119	10 mi	Brewster, MN
ZIP code 56101	11 mi	Windom, MN
ZIP code 56150	12 mi	Lakefield, MN
ZIP code 56131	15 mi	Fulda, MN
ZIP code 56118	16 mi	Bingham Lake, MN
ZIP code 56167	17 mi	Round Lake, MN
ZIP code 56174	18 mi	Storden, MN

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 56137, plotted from its record coordinates.

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

Scope ZIP code 56137. 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.