Area Code +44-55-(11010000...11019999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 55 Subscriber Number From : 11010000 Subscriber Number To : 11019999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : D (D) Carrier Name : Frontier Systems 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 : 51.5000 Longitude : -0.1300 ‹ previous : +44-55-(11000000...11009999) next › : +44-55-(11070000...11079999) Dialling Instructions For trunk calls: 0 55 11010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 55 11010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 11010000 ~ 11019999 (Count: 10,000) Example: +44-55-11010000 / 0044-55-11010000 (055-11010000 / 0-55-11010000) +44-55-11010001 / 0044-55-11010001 (055-11010001 / 0-55-11010001) +44-55-11010002 / 0044-55-11010002 (055-11010002 / 0-55-11010002) +44-55-11010003 / 0044-55-11010003 (055-11010003 / 0-55-11010003) +44-55-11010004 / 0044-55-11010004 (055-11010004 / 0-55-11010004) ...+44-55-xxxxxxxx / 0044-55-xxxxxxxx (055-xxxxxxxx / 0-55-xxxxxxxx) ...+44-55-11019995 / 0044-55-11019995 (055-11019995 / 0-55-11019995) +44-55-11019996 / 0044-55-11019996 (055-11019996 / 0-55-11019996) +44-55-11019997 / 0044-55-11019997 (055-11019997 / 0-55-11019997) +44-55-11019998 / 0044-55-11019998 (055-11019998 / 0-55-11019998) +44-55-11019999 / 0044-55-11019999 (055-11019999 / 0-55-11019999)