St. Louis County ZIP Codes

St. Louis County is a county of Minnesota.

ZIP codes
53
Cities & towns
38
Area codes
1
Land area
6,248 sq mi

Every ZIP code in St. Louis County

556xx–558xx
The complete list of St. Louis County, MN ZIP codes with the city each one delivers to.
ZIP codeCity
55602Brimson
55702Alborn
55703Angora
55705Aurora
55706Babbitt
55708Biwabik
55710Britt
55711Brookston
55713Buhl
55717Canyon
55719Chisholm
55723Cook
55724Cotton
55725Crane Lake
55731Ely
55732Embarrass
55734Eveleth
55736Floodwood
55738Forbes
55741Gilbert
55746Hibbing
55747Hibbing
55750Hoyt Lakes
55751Iron
55758Kinney
55763Makinen
55765Meadowlands
55766Melrude
55768Mountain Iron
55771Orr
55772Nett Lake
55777Virginia
55779Saginaw
55781Side Lake
55782Soudan
55790Tower
55791Twig
55792Virginia
55796Winton
55801Duluth
55802Duluth
55803Duluth
55804Duluth
55805Duluth
55806Duluth
55807Duluth
55808Duluth
55810Duluth
55811Duluth
55812Duluth
55814Duluth
55815Duluth
55816Duluth

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the St. Louis County codes above are listed without a column we would have to invent.

Cities and towns in St. Louis County

A further 17 places in St. Louis County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering St. Louis County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where St. Louis County's ZIP codes sit

Each point is the reference point of one St. Louis County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Scope every ZIP code recorded in St. Louis County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.