ZIP Code 55604

55604 is one of Minnesota's ZIP codes, delivering to addresses in Grand Marais, Cook County.

City: Grand Marais
County: Cook County
State: Minnesota
Prefix: 556xx

Where this code sits

55604 is part of the 556xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grand Marais.

Grand Marais Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55604 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 55604

The ZIP codes whose reference points sit closest to 55604.
ZIP code	Distance	Delivers to
ZIP code 55606	14 mi	Hovland, MN
ZIP code 55612	15 mi	Lutsen, MN
ZIP code 55615	27 mi	Tofte, MN
ZIP code 55613	32 mi	Schroeder, MN
ZIP code 55605	32 mi	Grand Portage, MN
ZIP code 55603	47 mi	Finland, MN
ZIP code 55614	50 mi	Silver Bay, MN
ZIP code 55607	55 mi	Isabella, 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 55604, plotted from its record coordinates.

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

Scope ZIP code 55604. 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.