Area Code +44-20-(79930000...79939999) 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 : 79930000 Subscriber Number To : 79939999 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 : Gamma Telecom Holdings 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-(79920000...79929999) next › : +44-20-(79940000...79949999) Dialling Instructions For trunk calls: 0 20 79930000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 79930000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 79930000 ~ 79939999 (Count: 10,000) Example: +44-20-79930000 / 0044-20-79930000 (020-79930000 / 0-20-79930000) +44-20-79930001 / 0044-20-79930001 (020-79930001 / 0-20-79930001) +44-20-79930002 / 0044-20-79930002 (020-79930002 / 0-20-79930002) +44-20-79930003 / 0044-20-79930003 (020-79930003 / 0-20-79930003) +44-20-79930004 / 0044-20-79930004 (020-79930004 / 0-20-79930004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-79939995 / 0044-20-79939995 (020-79939995 / 0-20-79939995) +44-20-79939996 / 0044-20-79939996 (020-79939996 / 0-20-79939996) +44-20-79939997 / 0044-20-79939997 (020-79939997 / 0-20-79939997) +44-20-79939998 / 0044-20-79939998 (020-79939998 / 0-20-79939998) +44-20-79939999 / 0044-20-79939999 (020-79939999 / 0-20-79939999)