ZIP Code 55791

55791 is one of Minnesota's ZIP codes, delivering to addresses in Twig, St. Louis County.

City: Twig
County: St. Louis County
State: Minnesota
Prefix: 557xx

Where this code sits

55791 is part of the 557xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Twig.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55791 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 55791

The ZIP codes whose reference points sit closest to 55791.
ZIP code	Distance	Delivers to
ZIP code 55779	1.6 mi	Saginaw, MN
ZIP code 55811	9.5 mi	Duluth, MN
ZIP code 55810	10 mi	Duluth, MN
ZIP code 55702	11 mi	Alborn, MN
ZIP code 55733	13 mi	Esko, MN
ZIP code 55720	13 mi	Cloquet, MN
ZIP code 55803	13 mi	Duluth, MN
ZIP code 55717	14 mi	Canyon, 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 55791, plotted from its record coordinates.

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

Scope ZIP code 55791. 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.