Area Code +44-20-(35540000...35549999) 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 : 35540000 Subscriber Number To : 35549999 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 : BCH Digital 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 : 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-(35530000...35539999) next › : +44-20-(35550000...35559999) Dialling Instructions For trunk calls: 0 20 35540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 35540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 35540000 ~ 35549999 (Count: 10,000) Example: +44-20-35540000 / 0044-20-35540000 (020-35540000 / 0-20-35540000) +44-20-35540001 / 0044-20-35540001 (020-35540001 / 0-20-35540001) +44-20-35540002 / 0044-20-35540002 (020-35540002 / 0-20-35540002) +44-20-35540003 / 0044-20-35540003 (020-35540003 / 0-20-35540003) +44-20-35540004 / 0044-20-35540004 (020-35540004 / 0-20-35540004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-35549995 / 0044-20-35549995 (020-35549995 / 0-20-35549995) +44-20-35549996 / 0044-20-35549996 (020-35549996 / 0-20-35549996) +44-20-35549997 / 0044-20-35549997 (020-35549997 / 0-20-35549997) +44-20-35549998 / 0044-20-35549998 (020-35549998 / 0-20-35549998) +44-20-35549999 / 0044-20-35549999 (020-35549999 / 0-20-35549999)