Area Code +44-20-(88380000...88389999) 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 : 88380000 Subscriber Number To : 88389999 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-(88370000...88379999) next › : +44-20-(88390000...88399999) Dialling Instructions For trunk calls: 0 20 88380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 88380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 88380000 ~ 88389999 (Count: 10,000) Example: +44-20-88380000 / 0044-20-88380000 (020-88380000 / 0-20-88380000) +44-20-88380001 / 0044-20-88380001 (020-88380001 / 0-20-88380001) +44-20-88380002 / 0044-20-88380002 (020-88380002 / 0-20-88380002) +44-20-88380003 / 0044-20-88380003 (020-88380003 / 0-20-88380003) +44-20-88380004 / 0044-20-88380004 (020-88380004 / 0-20-88380004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-88389995 / 0044-20-88389995 (020-88389995 / 0-20-88389995) +44-20-88389996 / 0044-20-88389996 (020-88389996 / 0-20-88389996) +44-20-88389997 / 0044-20-88389997 (020-88389997 / 0-20-88389997) +44-20-88389998 / 0044-20-88389998 (020-88389998 / 0-20-88389998) +44-20-88389999 / 0044-20-88389999 (020-88389999 / 0-20-88389999)