Area Code +44-1228-(230000...230999) located in Carlisle, Cumbria (CMA), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1228 Subscriber Number From : 230000 Subscriber Number To : 230999 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 : Telecoms World Plc 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 : CMA Region Name : Cumbria City : Carlisle Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 54.8900 Longitude : -2.9300 ‹ previous : +44-1228-(220000...229999) next › : +44-1228-(231000...231999) Dialling Instructions For trunk calls: 0 1228 230000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1228 230000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 230000 ~ 230999 (Count: 1,000) Example: +44-1228-230000 / 0044-1228-230000 (01228-230000 / 0-1228-230000) +44-1228-230001 / 0044-1228-230001 (01228-230001 / 0-1228-230001) +44-1228-230002 / 0044-1228-230002 (01228-230002 / 0-1228-230002) +44-1228-230003 / 0044-1228-230003 (01228-230003 / 0-1228-230003) +44-1228-230004 / 0044-1228-230004 (01228-230004 / 0-1228-230004) ...+44-1228-xxxxxx / 0044-1228-xxxxxx (01228-xxxxxx / 0-1228-xxxxxx) ...+44-1228-230995 / 0044-1228-230995 (01228-230995 / 0-1228-230995) +44-1228-230996 / 0044-1228-230996 (01228-230996 / 0-1228-230996) +44-1228-230997 / 0044-1228-230997 (01228-230997 / 0-1228-230997) +44-1228-230998 / 0044-1228-230998 (01228-230998 / 0-1228-230998) +44-1228-230999 / 0044-1228-230999 (01228-230999 / 0-1228-230999)