OPEN for Take Out & Deliveries from Lumpy's Diner 925-778-5867 Save Share Facebook Twitter WhatsApp SMS Email Print Details for OPEN for Take Out & Deliveries from Lumpy's DinerUpdated Jun 30, 2020 Info Categories Coupon Dining Entertainment Tags Tp Coupon Comments disabled. Business Lumpy's Diner 5891 Lone Tree Way Ste A, Antioch, CA 94531 925-778-5867