Area Code +44-1740-(240000...249999) 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 : 240000 Subscriber Number To : 249999 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 : Teledesign 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-(239000...239999) next › : +44-1740-(250000...259999) Dialling Instructions For trunk calls: 0 1740 240000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1740 240000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 240000 ~ 249999 (Count: 10,000) Example: +44-1740-240000 / 0044-1740-240000 (01740-240000 / 0-1740-240000) +44-1740-240001 / 0044-1740-240001 (01740-240001 / 0-1740-240001) +44-1740-240002 / 0044-1740-240002 (01740-240002 / 0-1740-240002) +44-1740-240003 / 0044-1740-240003 (01740-240003 / 0-1740-240003) +44-1740-240004 / 0044-1740-240004 (01740-240004 / 0-1740-240004) ...+44-1740-xxxxxx / 0044-1740-xxxxxx (01740-xxxxxx / 0-1740-xxxxxx) ...+44-1740-249995 / 0044-1740-249995 (01740-249995 / 0-1740-249995) +44-1740-249996 / 0044-1740-249996 (01740-249996 / 0-1740-249996) +44-1740-249997 / 0044-1740-249997 (01740-249997 / 0-1740-249997) +44-1740-249998 / 0044-1740-249998 (01740-249998 / 0-1740-249998) +44-1740-249999 / 0044-1740-249999 (01740-249999 / 0-1740-249999)