Use the full area code before the local subscriber number.
UK geographic telephone code
029 area code: Cardiff
The 029 dialling code is associated with Cardiff.
How to dial Cardiff
Use +44 and remove the leading zero from the area code.
An area-code match describes the number range, not the caller's identity or current physical location. Caller ID can also be spoofed.
Recent reports for 029 numbers
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I was called by this number at 5.50 pm today , it went to ansa-phone and the person did not leave a message which is always annoying . Thank you .
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Jackie telpephoned at 2:03 pm on 07/08/20206. Wanted to know if I was the homeowner. I replied NO and thanked her for the call. Possible Scam.
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Calling from some claim on financed car. The worst thing is they know reg and full name.
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came up as suspected spam so i did not answer it
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Came up as "Suspected Spam" on my phone - they hung up as soon as I answered it.
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Indian man calling from Wales. Scammer
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Rang a few times then went dead
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No message left so suspect scammer or cold sales
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Spam. No one at the other end
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Said she was from Amazon Business, she could hardly speak a word of English and kept saying sorry, I hung up in the end.
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.