Area Code +44-300-(0830000...0839999) located in National Number, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 300 Subscriber Number From : 0830000 Subscriber Number To : 0839999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : N (N) Carrier Name : Virgin Media 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 : +44-300-(0810000...0819999) next › : +44-300-(0880000...0889999) Dialling Instructions For trunk calls: 0 300 0830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 300 0830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0830000 ~ 0839999 (Count: 10,000) Example: +44-300-0830000 / 0044-300-0830000 (0300-0830000 / 0-300-0830000) +44-300-0830001 / 0044-300-0830001 (0300-0830001 / 0-300-0830001) +44-300-0830002 / 0044-300-0830002 (0300-0830002 / 0-300-0830002) +44-300-0830003 / 0044-300-0830003 (0300-0830003 / 0-300-0830003) +44-300-0830004 / 0044-300-0830004 (0300-0830004 / 0-300-0830004) ...+44-300-xxxxxxx / 0044-300-xxxxxxx (0300-xxxxxxx / 0-300-xxxxxxx) ...+44-300-0839995 / 0044-300-0839995 (0300-0839995 / 0-300-0839995) +44-300-0839996 / 0044-300-0839996 (0300-0839996 / 0-300-0839996) +44-300-0839997 / 0044-300-0839997 (0300-0839997 / 0-300-0839997) +44-300-0839998 / 0044-300-0839998 (0300-0839998 / 0-300-0839998) +44-300-0839999 / 0044-300-0839999 (0300-0839999 / 0-300-0839999)