Area Code +44-300-(9980000...9989999) 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 : 9980000 Subscriber Number To : 9989999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : N (N) Carrier Name : Cloud Telecom 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-(9870000...9879999) next › : +44-300-(9990000...9999999) Dialling Instructions For trunk calls: 0 300 9980000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 300 9980000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9980000 ~ 9989999 (Count: 10,000) Example: +44-300-9980000 / 0044-300-9980000 (0300-9980000 / 0-300-9980000) +44-300-9980001 / 0044-300-9980001 (0300-9980001 / 0-300-9980001) +44-300-9980002 / 0044-300-9980002 (0300-9980002 / 0-300-9980002) +44-300-9980003 / 0044-300-9980003 (0300-9980003 / 0-300-9980003) +44-300-9980004 / 0044-300-9980004 (0300-9980004 / 0-300-9980004) ...+44-300-xxxxxxx / 0044-300-xxxxxxx (0300-xxxxxxx / 0-300-xxxxxxx) ...+44-300-9989995 / 0044-300-9989995 (0300-9989995 / 0-300-9989995) +44-300-9989996 / 0044-300-9989996 (0300-9989996 / 0-300-9989996) +44-300-9989997 / 0044-300-9989997 (0300-9989997 / 0-300-9989997) +44-300-9989998 / 0044-300-9989998 (0300-9989998 / 0-300-9989998) +44-300-9989999 / 0044-300-9989999 (0300-9989999 / 0-300-9989999)