Area Code +44-1245-(250000...259999) 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 : 250000 Subscriber Number To : 259999 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-(240000...249999) next › : +44-1245-(260000...269999) Dialling Instructions For trunk calls: 0 1245 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1245 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 259999 (Count: 10,000) Example: +44-1245-250000 / 0044-1245-250000 (01245-250000 / 0-1245-250000) +44-1245-250001 / 0044-1245-250001 (01245-250001 / 0-1245-250001) +44-1245-250002 / 0044-1245-250002 (01245-250002 / 0-1245-250002) +44-1245-250003 / 0044-1245-250003 (01245-250003 / 0-1245-250003) +44-1245-250004 / 0044-1245-250004 (01245-250004 / 0-1245-250004) ...+44-1245-xxxxxx / 0044-1245-xxxxxx (01245-xxxxxx / 0-1245-xxxxxx) ...+44-1245-259995 / 0044-1245-259995 (01245-259995 / 0-1245-259995) +44-1245-259996 / 0044-1245-259996 (01245-259996 / 0-1245-259996) +44-1245-259997 / 0044-1245-259997 (01245-259997 / 0-1245-259997) +44-1245-259998 / 0044-1245-259998 (01245-259998 / 0-1245-259998) +44-1245-259999 / 0044-1245-259999 (01245-259999 / 0-1245-259999)