Hm Revenue & Customs Self Assessment Enquiries 0845 366 1204 email Central Government Central Government CENTRAL GOVERNMENT Related Businesses N Power BIRMINGHAM, BIRMINGHAM, Birmingham, B28 1DX 0845 601 1102 Theory Test Bookings Glen Road, Andersonstown, Belfast, BT11 8BA 0845 600 6700 Care Quality Commision Finsbury Tower, 103-105 Bunhill Row, London, EC1Y 8TG 020 7448 9299 Home Office - Immigration & Nationality Directorate Home Office, PO Box 3468, Sheffield, S3 8WA 0870 606 7766