Area Code +44-20-(33860000...33869999) 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 : 33860000 Subscriber Number To : 33869999 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-(33850000...33859999) next › : +44-20-(33870000...33879999) Dialling Instructions For trunk calls: 0 20 33860000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 33860000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 33860000 ~ 33869999 (Count: 10,000) Example: +44-20-33860000 / 0044-20-33860000 (020-33860000 / 0-20-33860000) +44-20-33860001 / 0044-20-33860001 (020-33860001 / 0-20-33860001) +44-20-33860002 / 0044-20-33860002 (020-33860002 / 0-20-33860002) +44-20-33860003 / 0044-20-33860003 (020-33860003 / 0-20-33860003) +44-20-33860004 / 0044-20-33860004 (020-33860004 / 0-20-33860004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-33869995 / 0044-20-33869995 (020-33869995 / 0-20-33869995) +44-20-33869996 / 0044-20-33869996 (020-33869996 / 0-20-33869996) +44-20-33869997 / 0044-20-33869997 (020-33869997 / 0-20-33869997) +44-20-33869998 / 0044-20-33869998 (020-33869998 / 0-20-33869998) +44-20-33869999 / 0044-20-33869999 (020-33869999 / 0-20-33869999)