Area Code +44-20-(35570000...35579999) 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 : 35570000 Subscriber Number To : 35579999 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 : Zap Communications 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-(35560000...35569999) next › : +44-20-(35580000...35589999) Dialling Instructions For trunk calls: 0 20 35570000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 35570000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 35570000 ~ 35579999 (Count: 10,000) Example: +44-20-35570000 / 0044-20-35570000 (020-35570000 / 0-20-35570000) +44-20-35570001 / 0044-20-35570001 (020-35570001 / 0-20-35570001) +44-20-35570002 / 0044-20-35570002 (020-35570002 / 0-20-35570002) +44-20-35570003 / 0044-20-35570003 (020-35570003 / 0-20-35570003) +44-20-35570004 / 0044-20-35570004 (020-35570004 / 0-20-35570004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-35579995 / 0044-20-35579995 (020-35579995 / 0-20-35579995) +44-20-35579996 / 0044-20-35579996 (020-35579996 / 0-20-35579996) +44-20-35579997 / 0044-20-35579997 (020-35579997 / 0-20-35579997) +44-20-35579998 / 0044-20-35579998 (020-35579998 / 0-20-35579998) +44-20-35579999 / 0044-20-35579999 (020-35579999 / 0-20-35579999)