Area Code +44-20-(34540000...34549999) 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 : 34540000 Subscriber Number To : 34549999 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 : Sound Advertising Ltd 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-(34530000...34539999) next › : +44-20-(34550000...34559999) Dialling Instructions For trunk calls: 0 20 34540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 34540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 34540000 ~ 34549999 (Count: 10,000) Example: +44-20-34540000 / 0044-20-34540000 (020-34540000 / 0-20-34540000) +44-20-34540001 / 0044-20-34540001 (020-34540001 / 0-20-34540001) +44-20-34540002 / 0044-20-34540002 (020-34540002 / 0-20-34540002) +44-20-34540003 / 0044-20-34540003 (020-34540003 / 0-20-34540003) +44-20-34540004 / 0044-20-34540004 (020-34540004 / 0-20-34540004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-34549995 / 0044-20-34549995 (020-34549995 / 0-20-34549995) +44-20-34549996 / 0044-20-34549996 (020-34549996 / 0-20-34549996) +44-20-34549997 / 0044-20-34549997 (020-34549997 / 0-20-34549997) +44-20-34549998 / 0044-20-34549998 (020-34549998 / 0-20-34549998) +44-20-34549999 / 0044-20-34549999 (020-34549999 / 0-20-34549999)