Area Code +44-20-(34720000...34729999) 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 : 34720000 Subscriber Number To : 34729999 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 : Mi Telecom 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-(34710000...34719999) next › : +44-20-(34730000...34739999) Dialling Instructions For trunk calls: 0 20 34720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 34720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 34720000 ~ 34729999 (Count: 10,000) Example: +44-20-34720000 / 0044-20-34720000 (020-34720000 / 0-20-34720000) +44-20-34720001 / 0044-20-34720001 (020-34720001 / 0-20-34720001) +44-20-34720002 / 0044-20-34720002 (020-34720002 / 0-20-34720002) +44-20-34720003 / 0044-20-34720003 (020-34720003 / 0-20-34720003) +44-20-34720004 / 0044-20-34720004 (020-34720004 / 0-20-34720004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-34729995 / 0044-20-34729995 (020-34729995 / 0-20-34729995) +44-20-34729996 / 0044-20-34729996 (020-34729996 / 0-20-34729996) +44-20-34729997 / 0044-20-34729997 (020-34729997 / 0-20-34729997) +44-20-34729998 / 0044-20-34729998 (020-34729998 / 0-20-34729998) +44-20-34729999 / 0044-20-34729999 (020-34729999 / 0-20-34729999)