Royal Mail Delivery Offices Marlborough, Swindon - Welcome to the directory of Marlborough Royal Mail Delivery Offices and royal mail sorting offices in Marlborough. It lists royal mail delivery offices and royal mail sorting offices who offer parcel delivery and mail delivery. Find business details, ratings and reviews of your local royal mail sorting office or royal mail delivery office in Marlborough, Swindon and write your own review. Are you a royal mail sorting office in Marlborough? Why not advertise your parcel delivery business on the Marlborough Business Directory – IT'S FREE!