Area Code +44-300-(0230000...0239999) 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 : 0230000 Subscriber Number To : 0239999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : N (N) Carrier Name : TalkTalk Communications 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-(0220000...0229999) next › : +44-300-(0240000...0249999) Dialling Instructions For trunk calls: 0 300 0230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 300 0230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0230000 ~ 0239999 (Count: 10,000) Example: +44-300-0230000 / 0044-300-0230000 (0300-0230000 / 0-300-0230000) +44-300-0230001 / 0044-300-0230001 (0300-0230001 / 0-300-0230001) +44-300-0230002 / 0044-300-0230002 (0300-0230002 / 0-300-0230002) +44-300-0230003 / 0044-300-0230003 (0300-0230003 / 0-300-0230003) +44-300-0230004 / 0044-300-0230004 (0300-0230004 / 0-300-0230004) ...+44-300-xxxxxxx / 0044-300-xxxxxxx (0300-xxxxxxx / 0-300-xxxxxxx) ...+44-300-0239995 / 0044-300-0239995 (0300-0239995 / 0-300-0239995) +44-300-0239996 / 0044-300-0239996 (0300-0239996 / 0-300-0239996) +44-300-0239997 / 0044-300-0239997 (0300-0239997 / 0-300-0239997) +44-300-0239998 / 0044-300-0239998 (0300-0239998 / 0-300-0239998) +44-300-0239999 / 0044-300-0239999 (0300-0239999 / 0-300-0239999)