Hours Of Operations Clarks Delaware New Castle 19720 Clarks Hours of Operation and Location in New Castle, DE 19720 4.4 - 89 votes 109 J And M Dr, New Castle, DE 19720 (302) 544-4540 Get Directions Clarks Hours Category: Accessories Electronics Shoes Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore New CastleView More Apparel Ross Dress for LessBig LotsH & MCarharttCarter's Sports VansColemanSnap FitnessBasic BasicWest Marine Recommend For You Kirby Company Boost Mobile Radio Shack Lowe's MetroPCS Fastenal Justice GNC West Marine Carhartt