Area Code +44-330-(8520000...8529999) located in National Number, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 330 Subscriber Number From : 8520000 Subscriber Number To : 8529999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : N (N) Carrier Name : Network Rail Infrastructure 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 : National Number 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 : +44-330-(8380000...8389999) next › : +44-330-(8530000...8539999) Dialling Instructions For trunk calls: 0 330 8520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 330 8520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8520000 ~ 8529999 (Count: 10,000) Example: +44-330-8520000 / 0044-330-8520000 (0330-8520000 / 0-330-8520000) +44-330-8520001 / 0044-330-8520001 (0330-8520001 / 0-330-8520001) +44-330-8520002 / 0044-330-8520002 (0330-8520002 / 0-330-8520002) +44-330-8520003 / 0044-330-8520003 (0330-8520003 / 0-330-8520003) +44-330-8520004 / 0044-330-8520004 (0330-8520004 / 0-330-8520004) ...+44-330-xxxxxxx / 0044-330-xxxxxxx (0330-xxxxxxx / 0-330-xxxxxxx) ...+44-330-8529995 / 0044-330-8529995 (0330-8529995 / 0-330-8529995) +44-330-8529996 / 0044-330-8529996 (0330-8529996 / 0-330-8529996) +44-330-8529997 / 0044-330-8529997 (0330-8529997 / 0-330-8529997) +44-330-8529998 / 0044-330-8529998 (0330-8529998 / 0-330-8529998) +44-330-8529999 / 0044-330-8529999 (0330-8529999 / 0-330-8529999)