Area Code +44-20-(37110000...37119999) 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 : 37110000 Subscriber Number To : 37119999 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 : Netfuse Telecom 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-(37010000...37019999) next › : +44-20-(37250000...37259999) Dialling Instructions For trunk calls: 0 20 37110000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 37110000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 37110000 ~ 37119999 (Count: 10,000) Example: +44-20-37110000 / 0044-20-37110000 (020-37110000 / 0-20-37110000) +44-20-37110001 / 0044-20-37110001 (020-37110001 / 0-20-37110001) +44-20-37110002 / 0044-20-37110002 (020-37110002 / 0-20-37110002) +44-20-37110003 / 0044-20-37110003 (020-37110003 / 0-20-37110003) +44-20-37110004 / 0044-20-37110004 (020-37110004 / 0-20-37110004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-37119995 / 0044-20-37119995 (020-37119995 / 0-20-37119995) +44-20-37119996 / 0044-20-37119996 (020-37119996 / 0-20-37119996) +44-20-37119997 / 0044-20-37119997 (020-37119997 / 0-20-37119997) +44-20-37119998 / 0044-20-37119998 (020-37119998 / 0-20-37119998) +44-20-37119999 / 0044-20-37119999 (020-37119999 / 0-20-37119999)