Area Code +44-20-(35500000...35509999) located in London, London, City of (LND), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 35500000 Subscriber Number To : 35509999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Flat Telecom Limited Click here to buy United Kingdom Area Code Database Other Information Language Code : en (English) Country Number : 826 (United Kingdom) Country Code : GB (United Kingdom) Region Code : LND Region Name : London, City of City : London Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5000 Longitude : -0.1300 ‹ previous : +44-20-(35490000...35499999) next › : +44-20-(35510000...35519999) Dialling Instructions For trunk calls: 0 20 35500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 35500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 35500000 ~ 35509999 (Count: 10,000) Example: +44-20-35500000 / 0044-20-35500000 (020-35500000 / 0-20-35500000) +44-20-35500001 / 0044-20-35500001 (020-35500001 / 0-20-35500001) +44-20-35500002 / 0044-20-35500002 (020-35500002 / 0-20-35500002) +44-20-35500003 / 0044-20-35500003 (020-35500003 / 0-20-35500003) +44-20-35500004 / 0044-20-35500004 (020-35500004 / 0-20-35500004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-35509995 / 0044-20-35509995 (020-35509995 / 0-20-35509995) +44-20-35509996 / 0044-20-35509996 (020-35509996 / 0-20-35509996) +44-20-35509997 / 0044-20-35509997 (020-35509997 / 0-20-35509997) +44-20-35509998 / 0044-20-35509998 (020-35509998 / 0-20-35509998) +44-20-35509999 / 0044-20-35509999 (020-35509999 / 0-20-35509999)