Castletown, Isle of Man House of Keys moved from Castletown to Douglas. The Isle of Man Census 2011 lists the town's population as 3,097 (2006: 3,109) It is the fourth largest town on the island, after Douglas, Ramsey and Peel, but is also smaller than Onchan and Port Erin, which have the status of villages. The town lies on the northwest side of Castletown Bay. The opposite shore of the bay is the west coast of the distinctively-shaped Langness Peninsula. To the north-east are Ronaldsway Airport and industrial zone, and the village of Ballasalla; to the north-west the villages of Ballabeg and Colby; and
Communications in the Isle of Man on as their manager on the island. By 1901 there were 600 subscribers, and the telephone system had been extended to Ramsey, Castletown, Peel, Port Erin, Port St. Mary and Onchan. On 1 January 1912 the National Telephone Company was nationalised and merged into the General Post Office by the Telephone Transfer Act 1911. Only Guernsey, Portsmouth and Hull remained outside of the GPO. In 1922, the General Post Office offered to sell the island's telephone service to the Manx government, but the offer was not taken up. A similar arrangement in Jersey for that island's telephone service was concluded