Area Code +44-1228-(830000...839999) 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 : 830000 Subscriber Number To : 839999 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 : aql Wholesale Limited 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-(820000...829999) next › : +44-1228-(840000...849999) Dialling Instructions For trunk calls: 0 1228 830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1228 830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 830000 ~ 839999 (Count: 10,000) Example: +44-1228-830000 / 0044-1228-830000 (01228-830000 / 0-1228-830000) +44-1228-830001 / 0044-1228-830001 (01228-830001 / 0-1228-830001) +44-1228-830002 / 0044-1228-830002 (01228-830002 / 0-1228-830002) +44-1228-830003 / 0044-1228-830003 (01228-830003 / 0-1228-830003) +44-1228-830004 / 0044-1228-830004 (01228-830004 / 0-1228-830004) ...+44-1228-xxxxxx / 0044-1228-xxxxxx (01228-xxxxxx / 0-1228-xxxxxx) ...+44-1228-839995 / 0044-1228-839995 (01228-839995 / 0-1228-839995) +44-1228-839996 / 0044-1228-839996 (01228-839996 / 0-1228-839996) +44-1228-839997 / 0044-1228-839997 (01228-839997 / 0-1228-839997) +44-1228-839998 / 0044-1228-839998 (01228-839998 / 0-1228-839998) +44-1228-839999 / 0044-1228-839999 (01228-839999 / 0-1228-839999)