Area Code +44-29-(21430000...21439999) located in Cardiff, Cardiff (CRF), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 29 Subscriber Number From : 21430000 Subscriber Number To : 21439999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telappliant 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 : CRF Region Name : Cardiff City : Cardiff Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.4800 Longitude : -3.1800 ‹ previous : +44-29-(21420000...21429999) next › : +44-29-(21440000...21449999) Dialling Instructions For trunk calls: 0 29 21430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 29 21430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 21430000 ~ 21439999 (Count: 10,000) Example: +44-29-21430000 / 0044-29-21430000 (029-21430000 / 0-29-21430000) +44-29-21430001 / 0044-29-21430001 (029-21430001 / 0-29-21430001) +44-29-21430002 / 0044-29-21430002 (029-21430002 / 0-29-21430002) +44-29-21430003 / 0044-29-21430003 (029-21430003 / 0-29-21430003) +44-29-21430004 / 0044-29-21430004 (029-21430004 / 0-29-21430004) ...+44-29-xxxxxxxx / 0044-29-xxxxxxxx (029-xxxxxxxx / 0-29-xxxxxxxx) ...+44-29-21439995 / 0044-29-21439995 (029-21439995 / 0-29-21439995) +44-29-21439996 / 0044-29-21439996 (029-21439996 / 0-29-21439996) +44-29-21439997 / 0044-29-21439997 (029-21439997 / 0-29-21439997) +44-29-21439998 / 0044-29-21439998 (029-21439998 / 0-29-21439998) +44-29-21439999 / 0044-29-21439999 (029-21439999 / 0-29-21439999)