Area Code +44-2821-(100000...109999) located in Martinstown, Ballymena (BLA), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 2821 Subscriber Number From : 100000 Subscriber Number To : 109999 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 : Frontier Systems Ltd 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 : BLA Region Name : Ballymena City : Martinstown Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 54.9600 Longitude : -6.2200 ‹ previous : +44-2821-(090000...099999) next › : +44-2821-(110000...119999) Dialling Instructions For trunk calls: 0 2821 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 2821 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +44-2821-100000 / 0044-2821-100000 (02821-100000 / 0-2821-100000) +44-2821-100001 / 0044-2821-100001 (02821-100001 / 0-2821-100001) +44-2821-100002 / 0044-2821-100002 (02821-100002 / 0-2821-100002) +44-2821-100003 / 0044-2821-100003 (02821-100003 / 0-2821-100003) +44-2821-100004 / 0044-2821-100004 (02821-100004 / 0-2821-100004) ...+44-2821-xxxxxx / 0044-2821-xxxxxx (02821-xxxxxx / 0-2821-xxxxxx) ...+44-2821-109995 / 0044-2821-109995 (02821-109995 / 0-2821-109995) +44-2821-109996 / 0044-2821-109996 (02821-109996 / 0-2821-109996) +44-2821-109997 / 0044-2821-109997 (02821-109997 / 0-2821-109997) +44-2821-109998 / 0044-2821-109998 (02821-109998 / 0-2821-109998) +44-2821-109999 / 0044-2821-109999 (02821-109999 / 0-2821-109999)