Area Code +44-911-(6640000...6649999) 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 : 6640000 Subscriber Number To : 6649999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Vodafone Ltd (C&W) 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-(6630000...6639999) next › : +44-911-(6650000...6659999) Dialling Instructions For trunk calls: 0 911 6640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 911 6640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6640000 ~ 6649999 (Count: 10,000) Example: +44-911-6640000 / 0044-911-6640000 (0911-6640000 / 0-911-6640000) +44-911-6640001 / 0044-911-6640001 (0911-6640001 / 0-911-6640001) +44-911-6640002 / 0044-911-6640002 (0911-6640002 / 0-911-6640002) +44-911-6640003 / 0044-911-6640003 (0911-6640003 / 0-911-6640003) +44-911-6640004 / 0044-911-6640004 (0911-6640004 / 0-911-6640004) ...+44-911-xxxxxxx / 0044-911-xxxxxxx (0911-xxxxxxx / 0-911-xxxxxxx) ...+44-911-6649995 / 0044-911-6649995 (0911-6649995 / 0-911-6649995) +44-911-6649996 / 0044-911-6649996 (0911-6649996 / 0-911-6649996) +44-911-6649997 / 0044-911-6649997 (0911-6649997 / 0-911-6649997) +44-911-6649998 / 0044-911-6649998 (0911-6649998 / 0-911-6649998) +44-911-6649999 / 0044-911-6649999 (0911-6649999 / 0-911-6649999)