Area Code +44-29-(20130000...20139999) 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 : 20130000 Subscriber Number To : 20139999 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 : BT 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-(20120000...20129999) next › : +44-29-(20140000...20149999) Dialling Instructions For trunk calls: 0 29 20130000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 29 20130000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20130000 ~ 20139999 (Count: 10,000) Example: +44-29-20130000 / 0044-29-20130000 (029-20130000 / 0-29-20130000) +44-29-20130001 / 0044-29-20130001 (029-20130001 / 0-29-20130001) +44-29-20130002 / 0044-29-20130002 (029-20130002 / 0-29-20130002) +44-29-20130003 / 0044-29-20130003 (029-20130003 / 0-29-20130003) +44-29-20130004 / 0044-29-20130004 (029-20130004 / 0-29-20130004) ...+44-29-xxxxxxxx / 0044-29-xxxxxxxx (029-xxxxxxxx / 0-29-xxxxxxxx) ...+44-29-20139995 / 0044-29-20139995 (029-20139995 / 0-29-20139995) +44-29-20139996 / 0044-29-20139996 (029-20139996 / 0-29-20139996) +44-29-20139997 / 0044-29-20139997 (029-20139997 / 0-29-20139997) +44-29-20139998 / 0044-29-20139998 (029-20139998 / 0-29-20139998) +44-29-20139999 / 0044-29-20139999 (029-20139999 / 0-29-20139999)