Area Code +44-20-(33310000...33319999) 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 : 33310000 Subscriber Number To : 33319999 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 : Annecto Telecom 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-(33300000...33309999) next › : +44-20-(33320000...33329999) Dialling Instructions For trunk calls: 0 20 33310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 33310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 33310000 ~ 33319999 (Count: 10,000) Example: +44-20-33310000 / 0044-20-33310000 (020-33310000 / 0-20-33310000) +44-20-33310001 / 0044-20-33310001 (020-33310001 / 0-20-33310001) +44-20-33310002 / 0044-20-33310002 (020-33310002 / 0-20-33310002) +44-20-33310003 / 0044-20-33310003 (020-33310003 / 0-20-33310003) +44-20-33310004 / 0044-20-33310004 (020-33310004 / 0-20-33310004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-33319995 / 0044-20-33319995 (020-33319995 / 0-20-33319995) +44-20-33319996 / 0044-20-33319996 (020-33319996 / 0-20-33319996) +44-20-33319997 / 0044-20-33319997 (020-33319997 / 0-20-33319997) +44-20-33319998 / 0044-20-33319998 (020-33319998 / 0-20-33319998) +44-20-33319999 / 0044-20-33319999 (020-33319999 / 0-20-33319999)