Area Code +44-29-(20000000...20009999) 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 : 20000000 Subscriber Number To : 20009999 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 : Magrathea Telecommunications 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 : 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-(11140000...11149999) next › : +44-29-(20010000...20019999) Dialling Instructions For trunk calls: 0 29 20000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 29 20000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20000000 ~ 20009999 (Count: 10,000) Example: +44-29-20000000 / 0044-29-20000000 (029-20000000 / 0-29-20000000) +44-29-20000001 / 0044-29-20000001 (029-20000001 / 0-29-20000001) +44-29-20000002 / 0044-29-20000002 (029-20000002 / 0-29-20000002) +44-29-20000003 / 0044-29-20000003 (029-20000003 / 0-29-20000003) +44-29-20000004 / 0044-29-20000004 (029-20000004 / 0-29-20000004) ...+44-29-xxxxxxxx / 0044-29-xxxxxxxx (029-xxxxxxxx / 0-29-xxxxxxxx) ...+44-29-20009995 / 0044-29-20009995 (029-20009995 / 0-29-20009995) +44-29-20009996 / 0044-29-20009996 (029-20009996 / 0-29-20009996) +44-29-20009997 / 0044-29-20009997 (029-20009997 / 0-29-20009997) +44-29-20009998 / 0044-29-20009998 (029-20009998 / 0-29-20009998) +44-29-20009999 / 0044-29-20009999 (029-20009999 / 0-29-20009999)