Area Code +44-20-(35170000...35179999) located in London, London, City of (LND), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 35170000 Subscriber Number To : 35179999 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 : Ace Call 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 : London, City of City : London Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5000 Longitude : -0.1300 ‹ previous : +44-20-(35160000...35169999) next › : +44-20-(35180000...35189999) Dialling Instructions For trunk calls: 0 20 35170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 35170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 35170000 ~ 35179999 (Count: 10,000) Example: +44-20-35170000 / 0044-20-35170000 (020-35170000 / 0-20-35170000) +44-20-35170001 / 0044-20-35170001 (020-35170001 / 0-20-35170001) +44-20-35170002 / 0044-20-35170002 (020-35170002 / 0-20-35170002) +44-20-35170003 / 0044-20-35170003 (020-35170003 / 0-20-35170003) +44-20-35170004 / 0044-20-35170004 (020-35170004 / 0-20-35170004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-35179995 / 0044-20-35179995 (020-35179995 / 0-20-35179995) +44-20-35179996 / 0044-20-35179996 (020-35179996 / 0-20-35179996) +44-20-35179997 / 0044-20-35179997 (020-35179997 / 0-20-35179997) +44-20-35179998 / 0044-20-35179998 (020-35179998 / 0-20-35179998) +44-20-35179999 / 0044-20-35179999 (020-35179999 / 0-20-35179999)