Area Code +44-20-(70450000...70459999) 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 : 70450000 Subscriber Number To : 70459999 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 : HighSpeed Office Limited 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-(70440000...70449999) next › : +44-20-(70460000...70469999) Dialling Instructions For trunk calls: 0 20 70450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 70450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 70450000 ~ 70459999 (Count: 10,000) Example: +44-20-70450000 / 0044-20-70450000 (020-70450000 / 0-20-70450000) +44-20-70450001 / 0044-20-70450001 (020-70450001 / 0-20-70450001) +44-20-70450002 / 0044-20-70450002 (020-70450002 / 0-20-70450002) +44-20-70450003 / 0044-20-70450003 (020-70450003 / 0-20-70450003) +44-20-70450004 / 0044-20-70450004 (020-70450004 / 0-20-70450004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-70459995 / 0044-20-70459995 (020-70459995 / 0-20-70459995) +44-20-70459996 / 0044-20-70459996 (020-70459996 / 0-20-70459996) +44-20-70459997 / 0044-20-70459997 (020-70459997 / 0-20-70459997) +44-20-70459998 / 0044-20-70459998 (020-70459998 / 0-20-70459998) +44-20-70459999 / 0044-20-70459999 (020-70459999 / 0-20-70459999)