Area Code +44-300-(0900000...0909999) 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 : 0900000 Subscriber Number To : 0909999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : N (N) Carrier Name : 360CRM 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 : 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-(0880000...0889999) next › : +44-300-(0950000...0959999) Dialling Instructions For trunk calls: 0 300 0900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 300 0900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0900000 ~ 0909999 (Count: 10,000) Example: +44-300-0900000 / 0044-300-0900000 (0300-0900000 / 0-300-0900000) +44-300-0900001 / 0044-300-0900001 (0300-0900001 / 0-300-0900001) +44-300-0900002 / 0044-300-0900002 (0300-0900002 / 0-300-0900002) +44-300-0900003 / 0044-300-0900003 (0300-0900003 / 0-300-0900003) +44-300-0900004 / 0044-300-0900004 (0300-0900004 / 0-300-0900004) ...+44-300-xxxxxxx / 0044-300-xxxxxxx (0300-xxxxxxx / 0-300-xxxxxxx) ...+44-300-0909995 / 0044-300-0909995 (0300-0909995 / 0-300-0909995) +44-300-0909996 / 0044-300-0909996 (0300-0909996 / 0-300-0909996) +44-300-0909997 / 0044-300-0909997 (0300-0909997 / 0-300-0909997) +44-300-0909998 / 0044-300-0909998 (0300-0909998 / 0-300-0909998) +44-300-0909999 / 0044-300-0909999 (0300-0909999 / 0-300-0909999)