Area Code +44-20-(35400000...35409999) 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 : 35400000 Subscriber Number To : 35409999 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 : Tipicall 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-(35390000...35399999) next › : +44-20-(35410000...35419999) Dialling Instructions For trunk calls: 0 20 35400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 35400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 35400000 ~ 35409999 (Count: 10,000) Example: +44-20-35400000 / 0044-20-35400000 (020-35400000 / 0-20-35400000) +44-20-35400001 / 0044-20-35400001 (020-35400001 / 0-20-35400001) +44-20-35400002 / 0044-20-35400002 (020-35400002 / 0-20-35400002) +44-20-35400003 / 0044-20-35400003 (020-35400003 / 0-20-35400003) +44-20-35400004 / 0044-20-35400004 (020-35400004 / 0-20-35400004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-35409995 / 0044-20-35409995 (020-35409995 / 0-20-35409995) +44-20-35409996 / 0044-20-35409996 (020-35409996 / 0-20-35409996) +44-20-35409997 / 0044-20-35409997 (020-35409997 / 0-20-35409997) +44-20-35409998 / 0044-20-35409998 (020-35409998 / 0-20-35409998) +44-20-35409999 / 0044-20-35409999 (020-35409999 / 0-20-35409999)