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020 4531 1566 Negative Who called me from this phone number?

London • BT
This number is a landline operated by BT and located in London, England. The overall user rating for this number is Negative. The number 02045311566 has been searched 442 times, with 11 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 11 user reports
  • Searches: 442
  • Last reported: 3 months ago
  • First reported: 6 months ago
  • Typical call time: before 12pm (76% of calls)

Number profile

  • UK format: 020 4531 1566
  • International: +442045311566
  • Number type: Landline
  • Carrier: BT
  • Area: London
  • Area code: 020

User Reports (11)

Your reports help others decide whether to answer calls from this number. Share your experience to help the community!

Spam
3 months ago

Repeated unwanted calls from this number. Although I have spam caller filter on it still shows as they have attempted to call. Frustrating that they dont stop. See comments mentioning o2. I also am not associated with the o2 network.

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Scam/Fraud
3 months ago

Scam saying from 'my network', blocking SIM card / verifying information. Persistent called 3 times even after I hung up.

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Unknown Caller
3 months ago

Short set of rings…. Ont known … suspect scam

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Spam
18 Dec 2025

Said they was from o2 But wasn't when I checked

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Scam/Fraud
14 Dec 2025

Called saying they were from 02 wanting feedback - told them we aren't with 02 and they asked who we're with!

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Spam
13 Dec 2025

Called me 3 times in a row

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Telemarketer
08 Dec 2025

Phoned 2 or 3 times in succession until I picked up. Said they were from O2, I’m not on O2, so put phone down. They tried calling me straight back, I’ve blocked the number.

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Scam/Fraud
03 Dec 2025

Said they’re from O2

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Spam
27 Nov 2025

Silent call. Assumed spam.

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Scam/Fraud
27 Nov 2025

Rang for a few seconds and stopped. Empty voicemail. Potential scam.

Caller: None left
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Unknown Caller
22 Nov 2025

Called me twice in succession, didn’t know the number, didn’t answer. Did who called me to see this number had been searched for many times so assuming it’s a nuisance caller

Caller: Mary
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What type of call was it?

Reported locations

Reported from 21 UK cities

London, Detling, Waringstown, London (Shadwell), Cuxton, Royton, Andover, Bolton, Biggleswade, Wolverhampton, Lichfield, Castlereagh, Hartshill, Walthamstow, Chapel Allerton, Kenilworth, Leeds, Batley, Chingford, West Derby, Chepstow

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How to Block This Number

On iPhone

  1. Open the Phone app and go to Recents
  2. Find the number 020 4531 1566 and tap the info icon (i)
  3. Scroll down and tap Block this Caller
  4. Confirm by tapping Block Contact

On Android

  1. Open the Phone app and tap the 3-dot menu
  2. Go to Call history or Recents
  3. Long press on 020 4531 1566
  4. Select Block number or Block/report spam

On Landline Phones

Several options are available for UK landlines:

  • BT Call Protect - free for BT customers
  • TalkTalk CallSafe - free for TalkTalk customers
  • Call blocking devices like CPR Call Blocker (available on Amazon)

Register with TPS (Telephone Preference Service)

The TPS is a free service for UK consumers that allows you to opt out of unsolicited sales and marketing calls.

Learn more about TPS registration

Latest reports

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Call Costs

Calling 02045311566 from a landline may cost up to 16p per minute. Many providers charge a 23p call set-up fee. Call packages often include these types of calls. You might not incur additional charges for calling this number, depending on your provider.

Dialling Instructions

Local UK callers can dial 02045311566 directly.

International callers should dial +44 20 4531 1566 or 0044 20 4531 1566. No leading zero is required when dialling abroad, e.g., +44(0)2045311566.