Area Code +44-1245-(200000...209999) 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 : 200000 Subscriber Number To : 209999 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 : Gamma Telecom Holdings 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 : 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-(140000...149999) next › : +44-1245-(210000...219999) Dialling Instructions For trunk calls: 0 1245 200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1245 200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 200000 ~ 209999 (Count: 10,000) Example: +44-1245-200000 / 0044-1245-200000 (01245-200000 / 0-1245-200000) +44-1245-200001 / 0044-1245-200001 (01245-200001 / 0-1245-200001) +44-1245-200002 / 0044-1245-200002 (01245-200002 / 0-1245-200002) +44-1245-200003 / 0044-1245-200003 (01245-200003 / 0-1245-200003) +44-1245-200004 / 0044-1245-200004 (01245-200004 / 0-1245-200004) ...+44-1245-xxxxxx / 0044-1245-xxxxxx (01245-xxxxxx / 0-1245-xxxxxx) ...+44-1245-209995 / 0044-1245-209995 (01245-209995 / 0-1245-209995) +44-1245-209996 / 0044-1245-209996 (01245-209996 / 0-1245-209996) +44-1245-209997 / 0044-1245-209997 (01245-209997 / 0-1245-209997) +44-1245-209998 / 0044-1245-209998 (01245-209998 / 0-1245-209998) +44-1245-209999 / 0044-1245-209999 (01245-209999 / 0-1245-209999)