Area Code +44-1245-(210000...219999) located in Chelmsford, Essex (ESS), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1245 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 : BT 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 : ESS Region Name : Essex City : Chelmsford Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.7400 Longitude : 0.4700 ‹ previous : +44-1245-(200000...209999) next › : +44-1245-(220000...229999) Dialling Instructions For trunk calls: 0 1245 210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1245 210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 210000 ~ 219999 (Count: 10,000) Example: +44-1245-210000 / 0044-1245-210000 (01245-210000 / 0-1245-210000) +44-1245-210001 / 0044-1245-210001 (01245-210001 / 0-1245-210001) +44-1245-210002 / 0044-1245-210002 (01245-210002 / 0-1245-210002) +44-1245-210003 / 0044-1245-210003 (01245-210003 / 0-1245-210003) +44-1245-210004 / 0044-1245-210004 (01245-210004 / 0-1245-210004) ...+44-1245-xxxxxx / 0044-1245-xxxxxx (01245-xxxxxx / 0-1245-xxxxxx) ...+44-1245-219995 / 0044-1245-219995 (01245-219995 / 0-1245-219995) +44-1245-219996 / 0044-1245-219996 (01245-219996 / 0-1245-219996) +44-1245-219997 / 0044-1245-219997 (01245-219997 / 0-1245-219997) +44-1245-219998 / 0044-1245-219998 (01245-219998 / 0-1245-219998) +44-1245-219999 / 0044-1245-219999 (01245-219999 / 0-1245-219999)