Calls from (028) 6738 XXXX — Northern Ireland
Block (028) 6738 XXXX is allocated by Ofcom to API Telecom Limited, on the Northern Ireland exchange (allocated 2012).
(028) 6738 XXXX is a number block in Northern Ireland, an area with a population of approximately 1,880,000. Standard landlines in this area use the format 028 6738 1234, with the first part being the dialling code and the rest being the local number.
This block — (028) 6738 XXXX — was allocated by Ofcom to API Telecom Limited in 2012. API Telecom Limited either operates the numbers directly or sub-allocates them to resellers and downstream carriers, which is why a single (028) 6738 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.
Recent Citizens Advice data shows a rising number of complaints about debt-management cold calls from blocks like (028) 6738 XXXX. These calls typically promise to write off existing debts for a fee and can lead to unregulated 'debt-advice' services. The free, regulated alternatives are StepChange and Citizens Advice — both refuse to cold-call.
If a (028) 6738 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 (028) 6738 XXXX
Is (028) 6738 XXXX a real UK phone number?
Yes. (028) 6738 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 API Telecom Limited for use on the UK public telephone network.
Who owns the (028) 6738 XXXX number block?
(028) 6738 XXXX is currently allocated to API Telecom 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 (028) 6738 XXXX number based?
(028) 6738 XXXX is associated with Northern Ireland. UK geographic numbers historically indicated the location of the line, although VoIP services and number-portability rules mean a (028) 6738 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 (028) 6738 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 (028)
Try a different block within the same UK area code:
