Area Code +44-20-(35940000...35949999) located in London, City of London (LND), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 35940000 Subscriber Number To : 35949999 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 : BT 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 : City of London City : London Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5100 Longitude : -0.1300 ‹ previous : +44-20-(35930000...35939999) next › : +44-20-(35950000...35959999) Dialling Instructions For trunk calls: 0 20 35940000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 35940000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 35940000 ~ 35949999 (Count: 10,000) Example: +44-20-35940000 / 0044-20-35940000 (020-35940000 / 0-20-35940000) +44-20-35940001 / 0044-20-35940001 (020-35940001 / 0-20-35940001) +44-20-35940002 / 0044-20-35940002 (020-35940002 / 0-20-35940002) +44-20-35940003 / 0044-20-35940003 (020-35940003 / 0-20-35940003) +44-20-35940004 / 0044-20-35940004 (020-35940004 / 0-20-35940004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-35949995 / 0044-20-35949995 (020-35949995 / 0-20-35949995) +44-20-35949996 / 0044-20-35949996 (020-35949996 / 0-20-35949996) +44-20-35949997 / 0044-20-35949997 (020-35949997 / 0-20-35949997) +44-20-35949998 / 0044-20-35949998 (020-35949998 / 0-20-35949998) +44-20-35949999 / 0044-20-35949999 (020-35949999 / 0-20-35949999)