ZIP Code 55605

55605 is one of Minnesota's ZIP codes, delivering to addresses in Grand Portage, Cook County.

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

Where this code sits

55605 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 Portage.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55605 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 55605

The ZIP codes whose reference points sit closest to 55605.
ZIP code	Distance	Delivers to
ZIP code 55606	18 mi	Hovland, MN
ZIP code 55604	32 mi	Grand Marais, MN
ZIP code 55612	48 mi	Lutsen, MN
ZIP code 55615	59 mi	Tofte, MN
ZIP code 55613	64 mi	Schroeder, MN
ZIP code 49905	77 mi	Atlantic Mine, MI
ZIP code 49930	78 mi	Hancock, MI
ZIP code 49963	78 mi	South Range, 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 55605, plotted from its record coordinates.

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

Scope ZIP code 55605. 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.