Landline number from London, range allocated to Gamma Telecom Holdings Limited · Also written +44 20 4651 2817
Reported as spam020 4651 2817 has 1 report on Who Calls You: 1 marked as spam, 0 as safe. Last report 1 week ago.
Did 020 4651 2817 call or text you? Tell others in a few seconds:
020 4651 2817 is a UK landline number from London (area code 020). It sits in the block 020 4651 xxxx, which Ofcom allocated to Gamma Telecom Holdings Limited on 20 January 2026. In the last 30 days it was looked up 6 times on Who Calls You, 5 of them in the past week, most recently yesterday. It has one report, sent on 30 October 2026, describing it as scam or fraud. Calling it back costs the same as a normal UK call. We first listed it on 30 October 2026, when a visitor reported it.
Cost to call: Normal rate · Landline (02). A normal UK landline call, included in the minutes of most landline and mobile plans. UK call costs
Landline numbers for London (020), Cardiff (029), Northern Ireland (028) and a few other areas. Calls cost the same as a normal UK landline call.
Network details come from UK numbering allocations. The number may have moved to another provider since, and this does not show who made a call.
020 4651 2817 is in the number block 020 4651 xxxx (10,000 numbers), allocated by Ofcom to Gamma Telecom Holdings Limited on 20 Jan 2026.
No other numbers from this block are on Who Calls You yet.
Companies and call centres often use numbers from one block, so reports about nearby numbers can be a useful hint. They are not proof about this number: blocks are shared, and numbers can be moved to another provider.
Last 30 days: 6 lookups and 1 report on Who Calls You.
Hover or tap a bar to see that day's reports.
1 report · 100% say spam
1 spam 0 safe 0 not sure
Scam or fraud 1
Indian woman, said she was from Sky wanting to decrease my bill, sent email to change my password, told me not to log in for 48 hours, sending me a hamper of nice things then i had to pay £12 towards next months bill at the new discounted rate now, so wanted my debit card number, when i refused i was told to go to hell and they put the phone down, seems like a mother daughter duo
Caller ID can be faked. Scammers can make any number appear on your screen, including real numbers of real businesses or people. A report here is information to help you decide, not proof of who called.
020 4651 2817 is a UK landline number from London, range allocated to Gamma Telecom Holdings Limited. 020 4651 2817 has 1 report on Who Calls You: 1 marked as spam, 0 as safe. It is also written as +44 20 4651 2817, 02046512817 or +442046512817. We do not show who owns a number. Caller ID can be faked, so check the reports and never share personal details with a caller you do not know.
1 of 1 people who reported 020 4651 2817 marked it as spam or unwanted (100%). Reports are personal experiences, not proof. If a caller asks for money, codes or bank details, hang up and contact the organisation on its official number.
On iPhone open Recents, tap the (i) next to the number and choose Block Caller. On Android open the call log, press and hold the number and choose Block. On a landline, ask your provider about free call blocking such as BT Call Protect.
