Area Code +44-20-(37050000...37059999) 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 : 37050000 Subscriber Number To : 37059999 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 : Essensys 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-(37040000...37049999) next › : +44-20-(37060000...37069999) Dialling Instructions For trunk calls: 0 20 37050000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 37050000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 37050000 ~ 37059999 (Count: 10,000) Example: +44-20-37050000 / 0044-20-37050000 (020-37050000 / 0-20-37050000) +44-20-37050001 / 0044-20-37050001 (020-37050001 / 0-20-37050001) +44-20-37050002 / 0044-20-37050002 (020-37050002 / 0-20-37050002) +44-20-37050003 / 0044-20-37050003 (020-37050003 / 0-20-37050003) +44-20-37050004 / 0044-20-37050004 (020-37050004 / 0-20-37050004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-37059995 / 0044-20-37059995 (020-37059995 / 0-20-37059995) +44-20-37059996 / 0044-20-37059996 (020-37059996 / 0-20-37059996) +44-20-37059997 / 0044-20-37059997 (020-37059997 / 0-20-37059997) +44-20-37059998 / 0044-20-37059998 (020-37059998 / 0-20-37059998) +44-20-37059999 / 0044-20-37059999 (020-37059999 / 0-20-37059999)