na311 Lennon Lane, , Walnut Creek, CA 94598naWalnut Creek311 Lennon Lane, Walnut Creek, CA 94598Hours Of Operation: Monday:Closed Tuesday:8:00 AM - 5:00 PM Wednesday:8:00 AM - 6:00 PM Thursday:9:00 AM - 5:00 PM Friday:8:00 AM - 5:00 PM Saturday:Closed Sunday:Closed Book Online925-938-7900