Area Code +44-20-(84340000...84349999) 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 : 84340000 Subscriber Number To : 84349999 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 : COLT Technology Services 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-(84330000...84339999) next › : +44-20-(84350000...84359999) Dialling Instructions For trunk calls: 0 20 84340000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 84340000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 84340000 ~ 84349999 (Count: 10,000) Example: +44-20-84340000 / 0044-20-84340000 (020-84340000 / 0-20-84340000) +44-20-84340001 / 0044-20-84340001 (020-84340001 / 0-20-84340001) +44-20-84340002 / 0044-20-84340002 (020-84340002 / 0-20-84340002) +44-20-84340003 / 0044-20-84340003 (020-84340003 / 0-20-84340003) +44-20-84340004 / 0044-20-84340004 (020-84340004 / 0-20-84340004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-84349995 / 0044-20-84349995 (020-84349995 / 0-20-84349995) +44-20-84349996 / 0044-20-84349996 (020-84349996 / 0-20-84349996) +44-20-84349997 / 0044-20-84349997 (020-84349997 / 0-20-84349997) +44-20-84349998 / 0044-20-84349998 (020-84349998 / 0-20-84349998) +44-20-84349999 / 0044-20-84349999 (020-84349999 / 0-20-84349999)