Area Code +44-20-(38040000...38049999) 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 : 38040000 Subscriber Number To : 38049999 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 : Bright Orange Outsourcing 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-(38030000...38039999) next › : +44-20-(38050000...38059999) Dialling Instructions For trunk calls: 0 20 38040000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 38040000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 38040000 ~ 38049999 (Count: 10,000) Example: +44-20-38040000 / 0044-20-38040000 (020-38040000 / 0-20-38040000) +44-20-38040001 / 0044-20-38040001 (020-38040001 / 0-20-38040001) +44-20-38040002 / 0044-20-38040002 (020-38040002 / 0-20-38040002) +44-20-38040003 / 0044-20-38040003 (020-38040003 / 0-20-38040003) +44-20-38040004 / 0044-20-38040004 (020-38040004 / 0-20-38040004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-38049995 / 0044-20-38049995 (020-38049995 / 0-20-38049995) +44-20-38049996 / 0044-20-38049996 (020-38049996 / 0-20-38049996) +44-20-38049997 / 0044-20-38049997 (020-38049997 / 0-20-38049997) +44-20-38049998 / 0044-20-38049998 (020-38049998 / 0-20-38049998) +44-20-38049999 / 0044-20-38049999 (020-38049999 / 0-20-38049999)