Area Code +44-911-(6630000...6639999) located in Premium Rate Services, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 911 Subscriber Number From : 6630000 Subscriber Number To : 6639999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Invomo 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 : Premium Rate Services 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 : +44-911-(6610000...6619999) next › : +44-911-(6640000...6649999) Dialling Instructions For trunk calls: 0 911 6630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 911 6630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6630000 ~ 6639999 (Count: 10,000) Example: +44-911-6630000 / 0044-911-6630000 (0911-6630000 / 0-911-6630000) +44-911-6630001 / 0044-911-6630001 (0911-6630001 / 0-911-6630001) +44-911-6630002 / 0044-911-6630002 (0911-6630002 / 0-911-6630002) +44-911-6630003 / 0044-911-6630003 (0911-6630003 / 0-911-6630003) +44-911-6630004 / 0044-911-6630004 (0911-6630004 / 0-911-6630004) ...+44-911-xxxxxxx / 0044-911-xxxxxxx (0911-xxxxxxx / 0-911-xxxxxxx) ...+44-911-6639995 / 0044-911-6639995 (0911-6639995 / 0-911-6639995) +44-911-6639996 / 0044-911-6639996 (0911-6639996 / 0-911-6639996) +44-911-6639997 / 0044-911-6639997 (0911-6639997 / 0-911-6639997) +44-911-6639998 / 0044-911-6639998 (0911-6639998 / 0-911-6639998) +44-911-6639999 / 0044-911-6639999 (0911-6639999 / 0-911-6639999)