Area Code +44-20-(81110000...81119999) 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 : 81110000 Subscriber Number To : 81119999 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 : Budget Numbers 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-(81040000...81049999) next › : +44-20-(81120000...81129999) Dialling Instructions For trunk calls: 0 20 81110000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 81110000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 81110000 ~ 81119999 (Count: 10,000) Example: +44-20-81110000 / 0044-20-81110000 (020-81110000 / 0-20-81110000) +44-20-81110001 / 0044-20-81110001 (020-81110001 / 0-20-81110001) +44-20-81110002 / 0044-20-81110002 (020-81110002 / 0-20-81110002) +44-20-81110003 / 0044-20-81110003 (020-81110003 / 0-20-81110003) +44-20-81110004 / 0044-20-81110004 (020-81110004 / 0-20-81110004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-81119995 / 0044-20-81119995 (020-81119995 / 0-20-81119995) +44-20-81119996 / 0044-20-81119996 (020-81119996 / 0-20-81119996) +44-20-81119997 / 0044-20-81119997 (020-81119997 / 0-20-81119997) +44-20-81119998 / 0044-20-81119998 (020-81119998 / 0-20-81119998) +44-20-81119999 / 0044-20-81119999 (020-81119999 / 0-20-81119999)