This phone number is «Mattress Firm Portage», located at 6125 S Westnedge AvePortage, MI 49002 (Michigan) | This phone number is «Mattress Firm Kentwood», located at 4497 28th St SEGrand Rapids, MI 49512 (Michigan) | This phone number is «Mattress Firm Comstock Park», located at 4142 Alpine Ave NWComstock Park, MI 49321 (Michigan) | This phone number is «The Modern Firm, LLC», located at 2232 S Main St # 378Ann Arbor, MI 48103 (Michigan) | This phone number is «Mattress Firm Grand Rapids», located at 3303 Alpine Ave NWGrand Rapids, MI 49544 (Michigan) |