Area Code +44-20-(71910000...71919999) 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 : 71910000 Subscriber Number To : 71919999 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 : Cirrus Response 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-(71900000...71909999) next › : +44-20-(71920000...71929999) Dialling Instructions For trunk calls: 0 20 71910000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 71910000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 71910000 ~ 71919999 (Count: 10,000) Example: +44-20-71910000 / 0044-20-71910000 (020-71910000 / 0-20-71910000) +44-20-71910001 / 0044-20-71910001 (020-71910001 / 0-20-71910001) +44-20-71910002 / 0044-20-71910002 (020-71910002 / 0-20-71910002) +44-20-71910003 / 0044-20-71910003 (020-71910003 / 0-20-71910003) +44-20-71910004 / 0044-20-71910004 (020-71910004 / 0-20-71910004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-71919995 / 0044-20-71919995 (020-71919995 / 0-20-71919995) +44-20-71919996 / 0044-20-71919996 (020-71919996 / 0-20-71919996) +44-20-71919997 / 0044-20-71919997 (020-71919997 / 0-20-71919997) +44-20-71919998 / 0044-20-71919998 (020-71919998 / 0-20-71919998) +44-20-71919999 / 0044-20-71919999 (020-71919999 / 0-20-71919999)