Calls from 01777 578 XXX — Retford
Block 01777 578 XXX is allocated by Ofcom to TGL Services (UK) Ltd, on the Retford exchange (allocated 2015).
01777 578 XXX is a number block in Retford, in the historic county of Nottinghamshire, an area with a population of approximately 22,013. Standard landlines in this area use the format 01777 578123, with the first part being the dialling code and the rest being the local number.
This block — 01777 578 XXX — was allocated by Ofcom to TGL Services (UK) Ltd in 2015. TGL Services (UK) Ltd either operates the numbers directly or sub-allocates them to resellers and downstream carriers, which is why a single 01777 578 XXX prefix can be used by many different organisations. You can verify any allocation against Ofcom's National Telephone Numbering Plan, which is updated weekly.
Energy-rebate and 'green grant' scams have been linked to UK landline blocks like 01777 578 XXX. The caller claims you're eligible for a government rebate or smart-meter grant and pressures you into giving bank details to receive it. Real government rebates apply to your bill automatically — no outbound call is needed.
If a 01777 578 XXX 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 01777 578 XXX
Is 01777 578 XXX a real UK phone number?
Yes. 01777 578 XXX 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 TGL Services (UK) Ltd for use on the UK public telephone network.
Who owns the 01777 578 XXX number block?
01777 578 XXX is currently allocated to TGL Services (UK) 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 01777 578 XXX number based?
01777 578 XXX is associated with Retford. UK geographic numbers historically indicated the location of the line, although VoIP services and number-portability rules mean a 01777 578 XXX 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 01777 578 XXX?
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 01777
Try a different block within the same UK area code:
