Area Code +44-29-(21180000...21189999) 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 : 21180000 Subscriber Number To : 21189999 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 : Annecto Telecom 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-(21170000...21179999) next › : +44-29-(21190000...21199999) Dialling Instructions For trunk calls: 0 29 21180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 29 21180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 21180000 ~ 21189999 (Count: 10,000) Example: +44-29-21180000 / 0044-29-21180000 (029-21180000 / 0-29-21180000) +44-29-21180001 / 0044-29-21180001 (029-21180001 / 0-29-21180001) +44-29-21180002 / 0044-29-21180002 (029-21180002 / 0-29-21180002) +44-29-21180003 / 0044-29-21180003 (029-21180003 / 0-29-21180003) +44-29-21180004 / 0044-29-21180004 (029-21180004 / 0-29-21180004) ...+44-29-xxxxxxxx / 0044-29-xxxxxxxx (029-xxxxxxxx / 0-29-xxxxxxxx) ...+44-29-21189995 / 0044-29-21189995 (029-21189995 / 0-29-21189995) +44-29-21189996 / 0044-29-21189996 (029-21189996 / 0-29-21189996) +44-29-21189997 / 0044-29-21189997 (029-21189997 / 0-29-21189997) +44-29-21189998 / 0044-29-21189998 (029-21189998 / 0-29-21189998) +44-29-21189999 / 0044-29-21189999 (029-21189999 / 0-29-21189999)