How to call london phone numbers from the united states? Enter 011-44-7XXX XXX XXX to place a phone call from the United States to London. 7XXX XXX XXX is the mobile phone number, 44 the country code for the United Kingdom, and 011 is the exit code for the United States.How do i contact the mayor of new york city? Mayor Bill de Blasio. Office of the Mayor. City Hall. New York, NY 10007. PHONE. 311 or 212-NEW-YORK outside NYC. Webform. Office of the Mayor on NYC.gov. Send Online Message.Do i need an exit code to call london? An exit code is only necessary for international calls. Enter 44 to place a call to London. 44 is the country code assigned to the United Kingdom. A unique country code is assigned to each nation; these codes identify the nation you are phoning. Skip the country code if you are dialing London from within the United Kingdom.
207 797 1000 London, Paternoster Square, UK (Head Office) Address. 10 Paternoster Square. London. EC4M 7LS. United Kingdom - Map. Telephone. +44 (0)207 797 1000.