Area Code +44-1228-(237000...237999) 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 : 237000 Subscriber Number To : 237999 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 : Primus Telecommunications 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 : 54.9000 Longitude : -2.9300 ‹ previous : +44-1228-(235000...235999) next › : +44-1228-(238000...238999) Dialling Instructions For trunk calls: 0 1228 237000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1228 237000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 237000 ~ 237999 (Count: 1,000) Example: +44-1228-237000 / 0044-1228-237000 (01228-237000 / 0-1228-237000) +44-1228-237001 / 0044-1228-237001 (01228-237001 / 0-1228-237001) +44-1228-237002 / 0044-1228-237002 (01228-237002 / 0-1228-237002) +44-1228-237003 / 0044-1228-237003 (01228-237003 / 0-1228-237003) +44-1228-237004 / 0044-1228-237004 (01228-237004 / 0-1228-237004) ...+44-1228-xxxxxx / 0044-1228-xxxxxx (01228-xxxxxx / 0-1228-xxxxxx) ...+44-1228-237995 / 0044-1228-237995 (01228-237995 / 0-1228-237995) +44-1228-237996 / 0044-1228-237996 (01228-237996 / 0-1228-237996) +44-1228-237997 / 0044-1228-237997 (01228-237997 / 0-1228-237997) +44-1228-237998 / 0044-1228-237998 (01228-237998 / 0-1228-237998) +44-1228-237999 / 0044-1228-237999 (01228-237999 / 0-1228-237999)