Area Code +44-1254-(340000...349999) located in Blackburn, Blackburn with Darwen (BBD), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1254 Subscriber Number From : 340000 Subscriber Number To : 349999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BT 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) Region Code : BBD Region Name : Blackburn with Darwen City : Blackburn Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 53.7500 Longitude : -2.4900 ‹ previous : +44-1254-(330000...339999) next › : +44-1254-(350000...359999) Dialling Instructions For trunk calls: 0 1254 340000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1254 340000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 340000 ~ 349999 (Count: 10,000) Example: +44-1254-340000 / 0044-1254-340000 (01254-340000 / 0-1254-340000) +44-1254-340001 / 0044-1254-340001 (01254-340001 / 0-1254-340001) +44-1254-340002 / 0044-1254-340002 (01254-340002 / 0-1254-340002) +44-1254-340003 / 0044-1254-340003 (01254-340003 / 0-1254-340003) +44-1254-340004 / 0044-1254-340004 (01254-340004 / 0-1254-340004) ...+44-1254-xxxxxx / 0044-1254-xxxxxx (01254-xxxxxx / 0-1254-xxxxxx) ...+44-1254-349995 / 0044-1254-349995 (01254-349995 / 0-1254-349995) +44-1254-349996 / 0044-1254-349996 (01254-349996 / 0-1254-349996) +44-1254-349997 / 0044-1254-349997 (01254-349997 / 0-1254-349997) +44-1254-349998 / 0044-1254-349998 (01254-349998 / 0-1254-349998) +44-1254-349999 / 0044-1254-349999 (01254-349999 / 0-1254-349999)