Area Code +44-56-(00660000...00669999) located in VoIP, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 56 Subscriber Number From : 00660000 Subscriber Number To : 00669999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : Barritel 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) City : VoIP 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 : +44-56-(00650000...00659999) next › : +44-56-(00670000...00679999) Dialling Instructions For trunk calls: 0 56 00660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 56 00660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00660000 ~ 00669999 (Count: 10,000) Example: +44-56-00660000 / 0044-56-00660000 (056-00660000 / 0-56-00660000) +44-56-00660001 / 0044-56-00660001 (056-00660001 / 0-56-00660001) +44-56-00660002 / 0044-56-00660002 (056-00660002 / 0-56-00660002) +44-56-00660003 / 0044-56-00660003 (056-00660003 / 0-56-00660003) +44-56-00660004 / 0044-56-00660004 (056-00660004 / 0-56-00660004) ...+44-56-xxxxxxxx / 0044-56-xxxxxxxx (056-xxxxxxxx / 0-56-xxxxxxxx) ...+44-56-00669995 / 0044-56-00669995 (056-00669995 / 0-56-00669995) +44-56-00669996 / 0044-56-00669996 (056-00669996 / 0-56-00669996) +44-56-00669997 / 0044-56-00669997 (056-00669997 / 0-56-00669997) +44-56-00669998 / 0044-56-00669998 (056-00669998 / 0-56-00669998) +44-56-00669999 / 0044-56-00669999 (056-00669999 / 0-56-00669999)