Area Code +44-20-(78890000...78899999) 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 : 78890000 Subscriber Number To : 78899999 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 : Talk Numbers 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-(78880000...78889999) next › : +44-20-(78900000...78909999) Dialling Instructions For trunk calls: 0 20 78890000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 78890000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 78890000 ~ 78899999 (Count: 10,000) Example: +44-20-78890000 / 0044-20-78890000 (020-78890000 / 0-20-78890000) +44-20-78890001 / 0044-20-78890001 (020-78890001 / 0-20-78890001) +44-20-78890002 / 0044-20-78890002 (020-78890002 / 0-20-78890002) +44-20-78890003 / 0044-20-78890003 (020-78890003 / 0-20-78890003) +44-20-78890004 / 0044-20-78890004 (020-78890004 / 0-20-78890004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-78899995 / 0044-20-78899995 (020-78899995 / 0-20-78899995) +44-20-78899996 / 0044-20-78899996 (020-78899996 / 0-20-78899996) +44-20-78899997 / 0044-20-78899997 (020-78899997 / 0-20-78899997) +44-20-78899998 / 0044-20-78899998 (020-78899998 / 0-20-78899998) +44-20-78899999 / 0044-20-78899999 (020-78899999 / 0-20-78899999)