Area Code +44-20-(71970000...71979999) 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 : 71970000 Subscriber Number To : 71979999 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 : Vodafone Ltd (Energis) 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-(71960000...71969999) next › : +44-20-(71980000...71989999) Dialling Instructions For trunk calls: 0 20 71970000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 71970000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 71970000 ~ 71979999 (Count: 10,000) Example: +44-20-71970000 / 0044-20-71970000 (020-71970000 / 0-20-71970000) +44-20-71970001 / 0044-20-71970001 (020-71970001 / 0-20-71970001) +44-20-71970002 / 0044-20-71970002 (020-71970002 / 0-20-71970002) +44-20-71970003 / 0044-20-71970003 (020-71970003 / 0-20-71970003) +44-20-71970004 / 0044-20-71970004 (020-71970004 / 0-20-71970004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-71979995 / 0044-20-71979995 (020-71979995 / 0-20-71979995) +44-20-71979996 / 0044-20-71979996 (020-71979996 / 0-20-71979996) +44-20-71979997 / 0044-20-71979997 (020-71979997 / 0-20-71979997) +44-20-71979998 / 0044-20-71979998 (020-71979998 / 0-20-71979998) +44-20-71979999 / 0044-20-71979999 (020-71979999 / 0-20-71979999)