ZIP Code 56737

56737 is one of Minnesota's ZIP codes, delivering to addresses in Middle River, Marshall County.

City: Middle River
County: Marshall County
State: Minnesota
Prefix: 567xx

Where this code sits

56737 is part of the 567xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Middle River.

Middle River Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 56737 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 56737

The ZIP codes whose reference points sit closest to 56737.
ZIP code	Distance	Delivers to
ZIP code 56759	7.3 mi	Strathcona, MN
ZIP code 56738	12 mi	Newfolden, MN
ZIP code 56724	15 mi	Gatzke, MN
ZIP code 56758	16 mi	Strandquist, MN
ZIP code 56726	18 mi	Greenbush, MN
ZIP code 56760	22 mi	Viking, MN
ZIP code 56732	22 mi	Karlstad, MN
ZIP code 56701	23 mi	Thief River Falls, 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 56737, plotted from its record coordinates.

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

Scope ZIP code 56737. 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.