Area Code +44-20-(30620000...30629999) 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 : 30620000 Subscriber Number To : 30629999 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 : BT 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-(30610000...30619999) next › : +44-20-(30630000...30639999) Dialling Instructions For trunk calls: 0 20 30620000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 30620000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 30620000 ~ 30629999 (Count: 10,000) Example: +44-20-30620000 / 0044-20-30620000 (020-30620000 / 0-20-30620000) +44-20-30620001 / 0044-20-30620001 (020-30620001 / 0-20-30620001) +44-20-30620002 / 0044-20-30620002 (020-30620002 / 0-20-30620002) +44-20-30620003 / 0044-20-30620003 (020-30620003 / 0-20-30620003) +44-20-30620004 / 0044-20-30620004 (020-30620004 / 0-20-30620004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-30629995 / 0044-20-30629995 (020-30629995 / 0-20-30629995) +44-20-30629996 / 0044-20-30629996 (020-30629996 / 0-20-30629996) +44-20-30629997 / 0044-20-30629997 (020-30629997 / 0-20-30629997) +44-20-30629998 / 0044-20-30629998 (020-30629998 / 0-20-30629998) +44-20-30629999 / 0044-20-30629999 (020-30629999 / 0-20-30629999)