Area Code +44-2821-(310000...319999) 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 : 310000 Subscriber Number To : 319999 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 : T.T.N.C. 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 : 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-(290000...299999) next › : +44-2821-(320000...329999) Dialling Instructions For trunk calls: 0 2821 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 2821 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +44-2821-310000 / 0044-2821-310000 (02821-310000 / 0-2821-310000) +44-2821-310001 / 0044-2821-310001 (02821-310001 / 0-2821-310001) +44-2821-310002 / 0044-2821-310002 (02821-310002 / 0-2821-310002) +44-2821-310003 / 0044-2821-310003 (02821-310003 / 0-2821-310003) +44-2821-310004 / 0044-2821-310004 (02821-310004 / 0-2821-310004) ...+44-2821-xxxxxx / 0044-2821-xxxxxx (02821-xxxxxx / 0-2821-xxxxxx) ...+44-2821-319995 / 0044-2821-319995 (02821-319995 / 0-2821-319995) +44-2821-319996 / 0044-2821-319996 (02821-319996 / 0-2821-319996) +44-2821-319997 / 0044-2821-319997 (02821-319997 / 0-2821-319997) +44-2821-319998 / 0044-2821-319998 (02821-319998 / 0-2821-319998) +44-2821-319999 / 0044-2821-319999 (02821-319999 / 0-2821-319999)