Area Code +44-20-(86180000...86189999) 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 : 86180000 Subscriber Number To : 86189999 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 : COLT Technology Services 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-(86170000...86179999) next › : +44-20-(86190000...86199999) Dialling Instructions For trunk calls: 0 20 86180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 86180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 86180000 ~ 86189999 (Count: 10,000) Example: +44-20-86180000 / 0044-20-86180000 (020-86180000 / 0-20-86180000) +44-20-86180001 / 0044-20-86180001 (020-86180001 / 0-20-86180001) +44-20-86180002 / 0044-20-86180002 (020-86180002 / 0-20-86180002) +44-20-86180003 / 0044-20-86180003 (020-86180003 / 0-20-86180003) +44-20-86180004 / 0044-20-86180004 (020-86180004 / 0-20-86180004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-86189995 / 0044-20-86189995 (020-86189995 / 0-20-86189995) +44-20-86189996 / 0044-20-86189996 (020-86189996 / 0-20-86189996) +44-20-86189997 / 0044-20-86189997 (020-86189997 / 0-20-86189997) +44-20-86189998 / 0044-20-86189998 (020-86189998 / 0-20-86189998) +44-20-86189999 / 0044-20-86189999 (020-86189999 / 0-20-86189999)