Calls from 01246 778 XXX — Chesterfield
Block 01246 778 XXX is allocated by Ofcom to Served Up Limited, on the Chesterfield exchange (allocated 2013).
01246 778 XXX is a number block in Chesterfield, in the historic county of Derbyshire, an area with a population of approximately 103,788. Standard landlines in this area use the format 01246 778123, with the first part being the dialling code and the rest being the local number.
This block — 01246 778 XXX — was allocated by Ofcom to Served Up Limited in 2013. Served Up Limited either operates the numbers directly or sub-allocates them to resellers and downstream carriers, which is why a single 01246 778 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.
A small share of 01246 778 XXX 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 01246 778 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 01246 778 XXX
Is 01246 778 XXX a real UK phone number?
Yes. 01246 778 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 Served Up Limited for use on the UK public telephone network.
Who owns the 01246 778 XXX number block?
01246 778 XXX is currently allocated to Served Up 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 01246 778 XXX number based?
01246 778 XXX is associated with Chesterfield. UK geographic numbers historically indicated the location of the line, although VoIP services and number-portability rules mean a 01246 778 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 01246 778 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 01246
Try a different block within the same UK area code:
