article: Duluth, Minnesota
links: North American Numbering Plan ZIP code Geographic Names Information System Thunder Bay, Ontario Municipal corporation City Lake Superior 2020 United States Census Federal Information Processing Standard 2020 United States census Metropolitan Statistical Area List of counties in Minnesota Minnesota Saint Lawrence Seaway United States Census Bureau Aquarium Superior, Wisconsin Mayor–council government Great Lakes Area code 218 St. Louis County, Minnesota Demonym U.S. state Midwestern United States Canal Central Time Zone Metropolitan statistical area