Flint, MI

ZIP code 48531 is a PO Box–only postal code associated with Flint, Michigan, rather than a conventional mapped neighborhood, so landmarks cannot be reliably assigned to its boundaries. In the surrounding Flint area, prominent landmarks include the Flint Cultural Center—with the Sloan Museum, Longway Planetarium, and Flint Institute of Arts—as well as the University of Michigan–Flint and Kettering University.