Area Code +44-1833-(310000...310999) located in Barnard Castle, County Durham (DUR), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1833 Subscriber Number From : 310000 Subscriber Number To : 310999 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 : Linear Telecoms 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) Region Code : DUR Region Name : County Durham City : Barnard Castle Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 54.5400 Longitude : -1.9200 ‹ previous : +44-1833-(304000...304999) next › : +44-1833-(311000...311999) Dialling Instructions For trunk calls: 0 1833 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1833 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 310999 (Count: 1,000) Example: +44-1833-310000 / 0044-1833-310000 (01833-310000 / 0-1833-310000) +44-1833-310001 / 0044-1833-310001 (01833-310001 / 0-1833-310001) +44-1833-310002 / 0044-1833-310002 (01833-310002 / 0-1833-310002) +44-1833-310003 / 0044-1833-310003 (01833-310003 / 0-1833-310003) +44-1833-310004 / 0044-1833-310004 (01833-310004 / 0-1833-310004) ...+44-1833-xxxxxx / 0044-1833-xxxxxx (01833-xxxxxx / 0-1833-xxxxxx) ...+44-1833-310995 / 0044-1833-310995 (01833-310995 / 0-1833-310995) +44-1833-310996 / 0044-1833-310996 (01833-310996 / 0-1833-310996) +44-1833-310997 / 0044-1833-310997 (01833-310997 / 0-1833-310997) +44-1833-310998 / 0044-1833-310998 (01833-310998 / 0-1833-310998) +44-1833-310999 / 0044-1833-310999 (01833-310999 / 0-1833-310999)