Area Code +44-20-(30190000...30199999) 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 : 30190000 Subscriber Number To : 30199999 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 : iHub UK 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-(19990000...19999999) next › : +44-20-(30250000...30259999) Dialling Instructions For trunk calls: 0 20 30190000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 30190000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 30190000 ~ 30199999 (Count: 10,000) Example: +44-20-30190000 / 0044-20-30190000 (020-30190000 / 0-20-30190000) +44-20-30190001 / 0044-20-30190001 (020-30190001 / 0-20-30190001) +44-20-30190002 / 0044-20-30190002 (020-30190002 / 0-20-30190002) +44-20-30190003 / 0044-20-30190003 (020-30190003 / 0-20-30190003) +44-20-30190004 / 0044-20-30190004 (020-30190004 / 0-20-30190004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-30199995 / 0044-20-30199995 (020-30199995 / 0-20-30199995) +44-20-30199996 / 0044-20-30199996 (020-30199996 / 0-20-30199996) +44-20-30199997 / 0044-20-30199997 (020-30199997 / 0-20-30199997) +44-20-30199998 / 0044-20-30199998 (020-30199998 / 0-20-30199998) +44-20-30199999 / 0044-20-30199999 (020-30199999 / 0-20-30199999)