Area Code +44-20-(36450000...36459999) 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 : 36450000 Subscriber Number To : 36459999 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 : TalkTalk Communications 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-(36440000...36449999) next › : +44-20-(36460000...36469999) Dialling Instructions For trunk calls: 0 20 36450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 36450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 36450000 ~ 36459999 (Count: 10,000) Example: +44-20-36450000 / 0044-20-36450000 (020-36450000 / 0-20-36450000) +44-20-36450001 / 0044-20-36450001 (020-36450001 / 0-20-36450001) +44-20-36450002 / 0044-20-36450002 (020-36450002 / 0-20-36450002) +44-20-36450003 / 0044-20-36450003 (020-36450003 / 0-20-36450003) +44-20-36450004 / 0044-20-36450004 (020-36450004 / 0-20-36450004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-36459995 / 0044-20-36459995 (020-36459995 / 0-20-36459995) +44-20-36459996 / 0044-20-36459996 (020-36459996 / 0-20-36459996) +44-20-36459997 / 0044-20-36459997 (020-36459997 / 0-20-36459997) +44-20-36459998 / 0044-20-36459998 (020-36459998 / 0-20-36459998) +44-20-36459999 / 0044-20-36459999 (020-36459999 / 0-20-36459999)