Area Code +44-1833-(311000...311999) 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 : 311000 Subscriber Number To : 311999 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 : ICC Networks 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 : 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-(310000...310999) next › : +44-1833-(312000...312999) Dialling Instructions For trunk calls: 0 1833 311000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1833 311000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 311000 ~ 311999 (Count: 1,000) Example: +44-1833-311000 / 0044-1833-311000 (01833-311000 / 0-1833-311000) +44-1833-311001 / 0044-1833-311001 (01833-311001 / 0-1833-311001) +44-1833-311002 / 0044-1833-311002 (01833-311002 / 0-1833-311002) +44-1833-311003 / 0044-1833-311003 (01833-311003 / 0-1833-311003) +44-1833-311004 / 0044-1833-311004 (01833-311004 / 0-1833-311004) ...+44-1833-xxxxxx / 0044-1833-xxxxxx (01833-xxxxxx / 0-1833-xxxxxx) ...+44-1833-311995 / 0044-1833-311995 (01833-311995 / 0-1833-311995) +44-1833-311996 / 0044-1833-311996 (01833-311996 / 0-1833-311996) +44-1833-311997 / 0044-1833-311997 (01833-311997 / 0-1833-311997) +44-1833-311998 / 0044-1833-311998 (01833-311998 / 0-1833-311998) +44-1833-311999 / 0044-1833-311999 (01833-311999 / 0-1833-311999)