Area Code +44-20-(70370000...70379999) 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 : 70370000 Subscriber Number To : 70379999 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 : Daotec 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-(70360000...70369999) next › : +44-20-(70380000...70389999) Dialling Instructions For trunk calls: 0 20 70370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 70370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 70370000 ~ 70379999 (Count: 10,000) Example: +44-20-70370000 / 0044-20-70370000 (020-70370000 / 0-20-70370000) +44-20-70370001 / 0044-20-70370001 (020-70370001 / 0-20-70370001) +44-20-70370002 / 0044-20-70370002 (020-70370002 / 0-20-70370002) +44-20-70370003 / 0044-20-70370003 (020-70370003 / 0-20-70370003) +44-20-70370004 / 0044-20-70370004 (020-70370004 / 0-20-70370004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-70379995 / 0044-20-70379995 (020-70379995 / 0-20-70379995) +44-20-70379996 / 0044-20-70379996 (020-70379996 / 0-20-70379996) +44-20-70379997 / 0044-20-70379997 (020-70379997 / 0-20-70379997) +44-20-70379998 / 0044-20-70379998 (020-70379998 / 0-20-70379998) +44-20-70379999 / 0044-20-70379999 (020-70379999 / 0-20-70379999)