Area Code +44-29-(20010000...20019999) 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 : 20010000 Subscriber Number To : 20019999 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 : TalkTalk Communications 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-(20000000...20009999) next › : +44-29-(20020000...20029999) Dialling Instructions For trunk calls: 0 29 20010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 29 20010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20010000 ~ 20019999 (Count: 10,000) Example: +44-29-20010000 / 0044-29-20010000 (029-20010000 / 0-29-20010000) +44-29-20010001 / 0044-29-20010001 (029-20010001 / 0-29-20010001) +44-29-20010002 / 0044-29-20010002 (029-20010002 / 0-29-20010002) +44-29-20010003 / 0044-29-20010003 (029-20010003 / 0-29-20010003) +44-29-20010004 / 0044-29-20010004 (029-20010004 / 0-29-20010004) ...+44-29-xxxxxxxx / 0044-29-xxxxxxxx (029-xxxxxxxx / 0-29-xxxxxxxx) ...+44-29-20019995 / 0044-29-20019995 (029-20019995 / 0-29-20019995) +44-29-20019996 / 0044-29-20019996 (029-20019996 / 0-29-20019996) +44-29-20019997 / 0044-29-20019997 (029-20019997 / 0-29-20019997) +44-29-20019998 / 0044-29-20019998 (029-20019998 / 0-29-20019998) +44-29-20019999 / 0044-29-20019999 (029-20019999 / 0-29-20019999)