Area Code +44-1740-(210000...219999) located in Sedgefield, County Durham (DUR), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1740 Subscriber Number From : 210000 Subscriber Number To : 219999 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 : Frontier Systems 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) Region Code : DUR Region Name : County Durham City : Sedgefield Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 54.6500 Longitude : -1.4500 ‹ previous : +44-1740-(200000...209999) next › : +44-1740-(220000...229999) Dialling Instructions For trunk calls: 0 1740 210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1740 210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 210000 ~ 219999 (Count: 10,000) Example: +44-1740-210000 / 0044-1740-210000 (01740-210000 / 0-1740-210000) +44-1740-210001 / 0044-1740-210001 (01740-210001 / 0-1740-210001) +44-1740-210002 / 0044-1740-210002 (01740-210002 / 0-1740-210002) +44-1740-210003 / 0044-1740-210003 (01740-210003 / 0-1740-210003) +44-1740-210004 / 0044-1740-210004 (01740-210004 / 0-1740-210004) ...+44-1740-xxxxxx / 0044-1740-xxxxxx (01740-xxxxxx / 0-1740-xxxxxx) ...+44-1740-219995 / 0044-1740-219995 (01740-219995 / 0-1740-219995) +44-1740-219996 / 0044-1740-219996 (01740-219996 / 0-1740-219996) +44-1740-219997 / 0044-1740-219997 (01740-219997 / 0-1740-219997) +44-1740-219998 / 0044-1740-219998 (01740-219998 / 0-1740-219998) +44-1740-219999 / 0044-1740-219999 (01740-219999 / 0-1740-219999)