Area Code +44-1913-(300000...309999) located in Durham, Durham (DUR), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1913 Subscriber Number From : 300000 Subscriber Number To : 309999 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 : TG Support 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 : Durham City : Durham Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 54.7800 Longitude : -1.5700 ‹ previous : +44-1913-(290000...299999) next › : +44-1913-(310000...319999) Dialling Instructions For trunk calls: 0 1913 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1913 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +44-1913-300000 / 0044-1913-300000 (01913-300000 / 0-1913-300000) +44-1913-300001 / 0044-1913-300001 (01913-300001 / 0-1913-300001) +44-1913-300002 / 0044-1913-300002 (01913-300002 / 0-1913-300002) +44-1913-300003 / 0044-1913-300003 (01913-300003 / 0-1913-300003) +44-1913-300004 / 0044-1913-300004 (01913-300004 / 0-1913-300004) ...+44-1913-xxxxxx / 0044-1913-xxxxxx (01913-xxxxxx / 0-1913-xxxxxx) ...+44-1913-309995 / 0044-1913-309995 (01913-309995 / 0-1913-309995) +44-1913-309996 / 0044-1913-309996 (01913-309996 / 0-1913-309996) +44-1913-309997 / 0044-1913-309997 (01913-309997 / 0-1913-309997) +44-1913-309998 / 0044-1913-309998 (01913-309998 / 0-1913-309998) +44-1913-309999 / 0044-1913-309999 (01913-309999 / 0-1913-309999)