The SN postcode area, also known as the Swindon postcode area, is a group of postcode districts around the Swindon Urban Area in England. It includes the town of Swindon itself, various places in the Borough of Swindon, much of North Wiltshire, including Calne, Chippenham, Corsham, Devizes, Malmesbury, Marlborough, Melksham and Pewsey, and Faringdon in Oxfordshire.