ZIP Code 55790

55790 is one of Minnesota's ZIP codes, delivering to addresses in Tower, St. Louis County.

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

Where this code sits

55790 is part of the 557xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Tower.

Tower Minnesota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 55790 delivers to without sharing its boundary.

218 Area code 218

ZIP codes nearest 55790

The ZIP codes whose reference points sit closest to 55790.
ZIP code	Distance	Delivers to
ZIP code 55782	2.1 mi	Soudan, MN
ZIP code 55732	11 mi	Embarrass, MN
ZIP code 55703	17 mi	Angora, MN
ZIP code 55706	17 mi	Babbitt, MN
ZIP code 55710	19 mi	Britt, MN
ZIP code 55708	19 mi	Biwabik, MN
ZIP code 55723	20 mi	Cook, MN
ZIP code 55731	21 mi	Ely, 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 55790, plotted from its record coordinates.

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

Scope ZIP code 55790. 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.