Area Code +44-1603-(210000...219999) located in Norwich, Norfolk (NFK), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1603 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 : NFK Region Name : Norfolk City : Norwich Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 52.6300 Longitude : 1.3000 ‹ previous : +44-1603-(200000...209999) next › : +44-1603-(220000...229999) Dialling Instructions For trunk calls: 0 1603 210000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1603 210000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 210000 ~ 219999 (Count: 10,000) Example: +44-1603-210000 / 0044-1603-210000 (01603-210000 / 0-1603-210000) +44-1603-210001 / 0044-1603-210001 (01603-210001 / 0-1603-210001) +44-1603-210002 / 0044-1603-210002 (01603-210002 / 0-1603-210002) +44-1603-210003 / 0044-1603-210003 (01603-210003 / 0-1603-210003) +44-1603-210004 / 0044-1603-210004 (01603-210004 / 0-1603-210004) ...+44-1603-xxxxxx / 0044-1603-xxxxxx (01603-xxxxxx / 0-1603-xxxxxx) ...+44-1603-219995 / 0044-1603-219995 (01603-219995 / 0-1603-219995) +44-1603-219996 / 0044-1603-219996 (01603-219996 / 0-1603-219996) +44-1603-219997 / 0044-1603-219997 (01603-219997 / 0-1603-219997) +44-1603-219998 / 0044-1603-219998 (01603-219998 / 0-1603-219998) +44-1603-219999 / 0044-1603-219999 (01603-219999 / 0-1603-219999)