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The House of Commons is made up of 650 Members of Parliament (MPs), each representing one constituency.
House of Commons Information Office
Telephone: 020 7219 4272 Email: hcinfo@parliament.uk Text phone: Dial 18001 followed by 020 7219 4272
Parliamentary Commissioner for Standards
Parliamentary and Health Service OmbudsmanLocal Government Ombudsman
Code of Conduct for Members of Parliament