Hours Of Operations Coinmach Maryland Riverdale 20737 Coinmach Hours of Operation and Location in Riverdale, MD 20737 4.5 - 59 votes 5409 Riverdale Rd, Riverdale, MD 20737 (301) 277-0030 Get Directions Coinmach Hours Category: Apparel Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore RiverdaleView More Apparel Carter'sCoachDr Jay'sExpressDeb Recommend For You Boost Mobile MetroPCS Cricket Wireless GNC Dr Jay's Flor SIMPLE Mobile H2O Wireless Dollar Store ADT