029 is the area code for the Cardiff area in the Cardiff region.
The majority of numbers utilizing the 029 area code are regular Cardiff landlines, however it should be noted that this might be misleading. Many businesses don’t provide a service that is connected or requires a physical address, but if they have a phone number, they have an area code.
Areas using 029 telephone numbers:
| Region | Cardiff (Wales) | |
| Number format | 029 XXXX XXXX | |
| Local number digits | 8 |
| Location | Cardiff | |
| International number format | +44 29 XXXX XXXX | |
| Geo | 51.5 , -3.16667 |
Call cost: landline connection fee depends on your service provider.
029 is the telephone area code for Cardiff (Wales). Landline numbers in this area start with 029.
Dial +44 (the UK country code), then 29 without the leading 0, then the 8-digit local number: +44 29 XXXX XXXX.
Within the 029 area you can usually dial just the 8-digit local number. From a mobile phone or from another area, dial the full number: 029 XXXX XXXX.