Calls from (029) 2154 XXXX — Cardiff
Block (029) 2154 XXXX is allocated by Ofcom to OVH Limited, on the Cardiff exchange (allocated 2009).
(029) 2154 XXXX is a number block in Cardiff, in the historic county of South Glamorgan, Wales, an area with a population of approximately 480,000. Standard landlines in this area use the format 029 2154 1234, with the first part being the dialling code and the rest being the local number.
This block — (029) 2154 XXXX — was allocated by Ofcom to OVH Limited in 2009. OVH Limited either operates the numbers directly or sub-allocates them to resellers and downstream carriers, which is why a single (029) 2154 XXXX prefix can be used by many different organisations. You can verify any allocation against Ofcom's National Telephone Numbering Plan, which is updated weekly.
A small share of (029) 2154 XXXX traffic is automated — recorded-voice ('robocalls') from political polls, marketing pitches, or scams. Under UK rules, you must have opted in to receive automated marketing calls. If you're getting persistent automated calls from a UK number, report them to the ICO via ico.org.uk.
If a (029) 2154 XXXX number called you and you're not sure who it was, the safest steps are: don't return the call until you've verified it (search the full number online first), don't share personal or financial details, and register the number with the Telephone Preference Service (TPS) if it's a marketing call. Persistent unwanted calls can be reported to Ofcom and the ICO. To block a specific number on most UK mobiles and landlines, you can also enable network-level call screening through your provider.
FAQs about (029) 2154 XXXX
Is (029) 2154 XXXX a real UK phone number?
Yes. (029) 2154 XXXX is part of an Ofcom-allocated UK number block — any number starting with that prefix is a real, dialable UK number assigned by Ofcom to OVH Limited for use on the UK public telephone network.
Who owns the (029) 2154 XXXX number block?
(029) 2154 XXXX is currently allocated to OVH Limited in Ofcom's National Telephone Numbering Plan. The allocated carrier may operate the numbers directly or sub-allocate them to downstream resellers — both arrangements are normal under UK telecoms rules.
Where is a (029) 2154 XXXX number based?
(029) 2154 XXXX is associated with Cardiff. UK geographic numbers historically indicated the location of the line, although VoIP services and number-portability rules mean a (029) 2154 XXXX number can technically be used anywhere a CP routes it. For most UK landlines the geographic match still holds.
How do I block calls from (029) 2154 XXXX?
On most UK smartphones, open the recent-calls list, tap the number, and choose 'Block this caller'. UK landlines from BT, Sky, TalkTalk and Virgin Media include free 'BT Call Protect'-style screening you can enable in your provider's app. You can also register your number with the Telephone Preference Service (TPS) at tpsonline.org.uk to opt out of legitimate UK marketing calls.
Other blocks in (029)
Try a different block within the same UK area code:
