Area Code +44-5588-(660000...669999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5588 Subscriber Number From : 660000 Subscriber Number To : 669999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Business Broadcast Communications Ltd 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 : Corporate Numbers 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 : +44-5588-(440000...449999) next › : +44-5588-(770000...779999) Dialling Instructions For trunk calls: 0 5588 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5588 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +44-5588-660000 / 0044-5588-660000 (05588-660000 / 0-5588-660000) +44-5588-660001 / 0044-5588-660001 (05588-660001 / 0-5588-660001) +44-5588-660002 / 0044-5588-660002 (05588-660002 / 0-5588-660002) +44-5588-660003 / 0044-5588-660003 (05588-660003 / 0-5588-660003) +44-5588-660004 / 0044-5588-660004 (05588-660004 / 0-5588-660004) ...+44-5588-xxxxxx / 0044-5588-xxxxxx (05588-xxxxxx / 0-5588-xxxxxx) ...+44-5588-669995 / 0044-5588-669995 (05588-669995 / 0-5588-669995) +44-5588-669996 / 0044-5588-669996 (05588-669996 / 0-5588-669996) +44-5588-669997 / 0044-5588-669997 (05588-669997 / 0-5588-669997) +44-5588-669998 / 0044-5588-669998 (05588-669998 / 0-5588-669998) +44-5588-669999 / 0044-5588-669999 (05588-669999 / 0-5588-669999)