Who-Calls.me.uk

020 4572 7451 Negative Who called me from this phone number?

London • Twilio Ireland Limited
This number is a landline operated by Twilio Ireland Limited and located in London, UK. The overall user rating for this number is Negative. The number 02045727451 has been searched 310 times, with 6 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 6 user reports
  • Searches: 310
  • Last reported: about 1 hour ago
  • First reported: 5 months ago
  • Typical call time: before 1pm (96% of calls)

Number profile

  • UK format: 020 4572 7451
  • International: +442045727451
  • Number type: Landline
  • Carrier: Twilio Ireland Limited
  • Area: London
  • Area code: 020

User Reports (6)

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

Scam/Fraud
1 hour ago

Called at 18.50 said was Alex from Keystone, and that id be aware of new govt rules, asked what rules he was referring to, and line went dead.

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Spam
20 days ago

Cold call (robot!) for solar panels.

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Unknown Caller
1 month ago

They have called me several times over the last few weeks. Regularly in the afternoon. There is a robotic voice claiming "we are asking whether your home would be suitable for solar panels, so this is not a sales call". If you were to keep talking to them, I'm sure the sales pitch would arrive pretty soon I have told them to take my name off whatever list they have and that I have no interest in dealing with them. I have blocked the number each time. This one was the latest to call me today at 17:58pm

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Spam
23 Dec 2025

Diesel Emmissions

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Spam
15 Dec 2025

Diesel emissions call had my details and a previous vehicle details. Declined to provide my email address to proceed.

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Spam
15 Dec 2025

No one talks.

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What type of call was it?

Reported locations

Reported from 21 UK cities

Cranfield, Driffield, London (Shadwell), Birkenhead, Clyst St Mary, Bradford, Ilford, New Basford, Brentwood, Coven, Shinfield, Wendover, Glasgow, Port Talbot, Aberdeen, West Drayton, Harrogate, Staverton, Cambridge, Batley, Gillingham

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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 4572 7451 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 4572 7451
  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 02045727451 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 02045727451 directly.

International callers should dial +44 20 4572 7451 or 0044 20 4572 7451. No leading zero is required when dialling abroad, e.g., +44(0)2045727451.