Calls from (023) 8158 XXXX — Southampton & Portsmouth
Block (023) 8158 XXXX is allocated by Ofcom to Suretec Systems Ltd, on the Southampton & Portsmouth exchange (allocated 2010).
(023) 8158 XXXX is a number block in Southampton & Portsmouth, in the historic county of Hampshire, an area with a population of approximately 850,000. Standard landlines in this area use the format 023 8158 1234, with the first part being the dialling code and the rest being the local number.
This block — (023) 8158 XXXX — was allocated by Ofcom to Suretec Systems Ltd in 2010. Suretec Systems Ltd either operates the numbers directly or sub-allocates them to resellers and downstream carriers, which is why a single (023) 8158 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.
Some calls from blocks like (023) 8158 XXXX are actually one-ring 'wangiri' calls — the line rings once and disconnects, hoping you'll call back. While wangiri is more common from foreign numbers, UK number-spoofing means (023) 8158 XXXX-style ringbacks are not unheard of. Don't return missed calls from unknown numbers without checking them first.
If a (023) 8158 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 (023) 8158 XXXX
Is (023) 8158 XXXX a real UK phone number?
Yes. (023) 8158 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 Suretec Systems Ltd for use on the UK public telephone network.
Who owns the (023) 8158 XXXX number block?
(023) 8158 XXXX is currently allocated to Suretec Systems Ltd 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 (023) 8158 XXXX number based?
(023) 8158 XXXX is associated with Southampton & Portsmouth. UK geographic numbers historically indicated the location of the line, although VoIP services and number-portability rules mean a (023) 8158 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 (023) 8158 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 (023)
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