Hours Of Operations Mattress Discounters Pennsylvania Monroeville 15146 Mattress Discounters Hours of Operation and Location in Monroeville, PA 15146 4.1 - 28 votes 3843 William Penn Hwy, Monroeville, PA 15146 (412) 373-4256 Get Directions Mattress Discounters Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore MonroevilleView More Apparel Sam's ClubMarshallsBurlington Coat FactoryKmartBig Lots Sports TargetLA FitnessDick's Sporting GoodsLady Foot LockerDSW Jewelry Sam's ClubMarshallsBurlington Coat FactoryDeb ShopsZales Recommend For You Naturalizer Pella Windows and Doors Sears Home Appliance Showroom Lady Foot Locker Mattress Firm Milestones Pac Sun Aldo Banfield Pet Hospital Carter's