Area Code +44-20-(00220000...00229999) 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 : 00220000 Subscriber Number To : 00229999 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 : Telecom Express 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-(00200000...00209999) next › : +44-20-(00230000...00239999) Dialling Instructions For trunk calls: 0 20 00220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 00220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00220000 ~ 00229999 (Count: 10,000) Example: +44-20-00220000 / 0044-20-00220000 (020-00220000 / 0-20-00220000) +44-20-00220001 / 0044-20-00220001 (020-00220001 / 0-20-00220001) +44-20-00220002 / 0044-20-00220002 (020-00220002 / 0-20-00220002) +44-20-00220003 / 0044-20-00220003 (020-00220003 / 0-20-00220003) +44-20-00220004 / 0044-20-00220004 (020-00220004 / 0-20-00220004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-00229995 / 0044-20-00229995 (020-00229995 / 0-20-00229995) +44-20-00229996 / 0044-20-00229996 (020-00229996 / 0-20-00229996) +44-20-00229997 / 0044-20-00229997 (020-00229997 / 0-20-00229997) +44-20-00229998 / 0044-20-00229998 (020-00229998 / 0-20-00229998) +44-20-00229999 / 0044-20-00229999 (020-00229999 / 0-20-00229999)