The Cardiff 029 Area Code (Cardiff Dialling Code)
The 029 area code is a 2 digit geographical dialling code (excluding the zero) used in telecommunications for the Cardiff area.
The local telephone numbers within the 029 are 8 digits long.
The correct format in which to write a telephone number from the Cardiff area code is (029) [x][x][x][x] [x][x][x][x].
Where is the 029 Area Code?
The Cardiff 029 dialling code intersects the counties of South Glamorgan, Mid Glamorgan and Gwent in the Wales Region of the UK.
When do I need to use the 029 Cardiff dialling code?
You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 029 Cardiff dialling code area. If you are calling a local number within the same area code with a landline telephone you do not need to use the 029 dialling code.
Phoning the 029 Dialling Code from Outside of the UK
If you are calling from outside of the UK. You will need to add the code for dialling internationally. This varies country to country, followed by the UK country code (44) followed by the area code without the initial zero (29).
| Region | International Prefix | Country Code | Area Code |
|---|---|---|---|
| United States and Canada | 011 | 44 | 29 |
| Europe | 00 | 44 | 29 |
| Australia | 0011 | 44 | 29 |
Map showing the location of the 029 Cardiff Area Code
Origins of the 029 Cardiff Area Code
Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was 0222.
The area code for Cardiff (01222) changed to become 029 after the Big Number Change on the 22nd April 2000.
the historic mnemonic code for the 029 area was CA2. The first two characters are taken from the letters C and A in CArdiff. On an old rotary dial telephone this was entered by dialling the numbers 2, 2 and 2.
Map of the 029 Cardiff dialling Code Area
The shaded area on the map represent the estimated extent of the 029 Cardiff phone area code.
The blue icons on the map represent the locations of telephone exchanges serving the 029 area. Click on an icon for more details
Towns and Villages within the Cardiff 029 dialling Code
| Barry |
| Caerphilly |
| Cardiff |
| Dinas Powis |
| Llanbradach |
| Penarth |
| Taff's Well |
Known Telephone Exchanges within the Cardiff 029 dialling Code
| LLANDAFF ATE (SWLJZ) |
| CARDIFF STADIUM HOUSE (SWRTH) |
| LLANRUMNEY ATE (SWSZX) |
| CULVERHOUSE ATE (SWCUV) |
| DINAS POWYS ATE (SWDPW) |
| LLANEDEYRN ATE (SWLLD) |
| PENARTH ATE (SWPBM) |
| RADYR ATE (SWRRY) |
| TAFFS WELL ATE (SWTAT) |
| CAERPHILLY ATE (SWCAB) |
| CASTLETON ATE (SWCTE) |
| LLANISHEN ATE (SWLNI) |
| PENTYRCH ATE (SWPTY) |
| WHITCHURCH (CARDIFF) ATE (SWWXC) |
| SENGHENYDD ATE (SWXNH) |
| SULLY ATE (SWXUU) |