Area Code +44-300-(0100000...0109999) 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 : 0100000 Subscriber Number To : 0109999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : N (N) Carrier Name : Vodafone Ltd (C&W) 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-(0090000...0099999) next › : +44-300-(0110000...0119999) Dialling Instructions For trunk calls: 0 300 0100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 300 0100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0100000 ~ 0109999 (Count: 10,000) Example: +44-300-0100000 / 0044-300-0100000 (0300-0100000 / 0-300-0100000) +44-300-0100001 / 0044-300-0100001 (0300-0100001 / 0-300-0100001) +44-300-0100002 / 0044-300-0100002 (0300-0100002 / 0-300-0100002) +44-300-0100003 / 0044-300-0100003 (0300-0100003 / 0-300-0100003) +44-300-0100004 / 0044-300-0100004 (0300-0100004 / 0-300-0100004) ...+44-300-xxxxxxx / 0044-300-xxxxxxx (0300-xxxxxxx / 0-300-xxxxxxx) ...+44-300-0109995 / 0044-300-0109995 (0300-0109995 / 0-300-0109995) +44-300-0109996 / 0044-300-0109996 (0300-0109996 / 0-300-0109996) +44-300-0109997 / 0044-300-0109997 (0300-0109997 / 0-300-0109997) +44-300-0109998 / 0044-300-0109998 (0300-0109998 / 0-300-0109998) +44-300-0109999 / 0044-300-0109999 (0300-0109999 / 0-300-0109999)