Duluth, MN

ZIP code 55801 is a PO Box-only postal code associated with Duluth, Minnesota, rather than a geographic neighborhood with defined boundaries. As a result, no physical landmarks can be reliably identified as being within 55801 itself. Notable nearby Duluth landmarks include the Aerial Lift Bridge, Canal Park, the Duluth Entertainment Convention Center, and the Lake Superior Maritime Visitor Center; these locations use other ZIP codes.