Area Code +44-20-(70380000...70389999) 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 : 70380000 Subscriber Number To : 70389999 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 : COLT Technology Services 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-(70370000...70379999) next › : +44-20-(70390000...70399999) Dialling Instructions For trunk calls: 0 20 70380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 70380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 70380000 ~ 70389999 (Count: 10,000) Example: +44-20-70380000 / 0044-20-70380000 (020-70380000 / 0-20-70380000) +44-20-70380001 / 0044-20-70380001 (020-70380001 / 0-20-70380001) +44-20-70380002 / 0044-20-70380002 (020-70380002 / 0-20-70380002) +44-20-70380003 / 0044-20-70380003 (020-70380003 / 0-20-70380003) +44-20-70380004 / 0044-20-70380004 (020-70380004 / 0-20-70380004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-70389995 / 0044-20-70389995 (020-70389995 / 0-20-70389995) +44-20-70389996 / 0044-20-70389996 (020-70389996 / 0-20-70389996) +44-20-70389997 / 0044-20-70389997 (020-70389997 / 0-20-70389997) +44-20-70389998 / 0044-20-70389998 (020-70389998 / 0-20-70389998) +44-20-70389999 / 0044-20-70389999 (020-70389999 / 0-20-70389999)