Keywords: 020 UK dial code area - 2007.png A modified map of en Greater London highlighting the en 020 UK dial code in red en wikipedia Phatom87 CommonsHelper 2007-03-27 Jhamez84 wikipedia en Jhamez84 original upload log page en wikipedia 020_UK_dial_code_area_-_2007 png 2007-03-27 13 25 Jhamez84 561×439× 470535 bytes <nowiki>Ammended map to include Whyteleafe</nowiki> Maps of London Dial code 020 Telecommunications in London Dial code 020 Map Maps of metropolitan areas in the United Kingdom London |