Area Code +44-20-(81980000...81989999) 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 : 81980000 Subscriber Number To : 81989999 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 : NGN Express 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-(81910000...81919999) next › : +44-20-(86150000...86159999) Dialling Instructions For trunk calls: 0 20 81980000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 81980000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 81980000 ~ 81989999 (Count: 10,000) Example: +44-20-81980000 / 0044-20-81980000 (020-81980000 / 0-20-81980000) +44-20-81980001 / 0044-20-81980001 (020-81980001 / 0-20-81980001) +44-20-81980002 / 0044-20-81980002 (020-81980002 / 0-20-81980002) +44-20-81980003 / 0044-20-81980003 (020-81980003 / 0-20-81980003) +44-20-81980004 / 0044-20-81980004 (020-81980004 / 0-20-81980004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-81989995 / 0044-20-81989995 (020-81989995 / 0-20-81989995) +44-20-81989996 / 0044-20-81989996 (020-81989996 / 0-20-81989996) +44-20-81989997 / 0044-20-81989997 (020-81989997 / 0-20-81989997) +44-20-81989998 / 0044-20-81989998 (020-81989998 / 0-20-81989998) +44-20-81989999 / 0044-20-81989999 (020-81989999 / 0-20-81989999)