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020 3740 0457 Negative Who called me from this phone number?

London • Magrathea Telecommunications Limited
This number is a landline operated by Magrathea Telecommunications Limited and located in London, England. The overall user rating for this number is Negative. The number 02037400457 has been searched 85 times, with 3 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 3 user reports
  • Searches: 85
  • Last reported: 3 months ago
  • First reported: 5 months ago
  • Typical call time: before 11am (97% of calls)

Number profile

  • UK format: 020 3740 0457
  • International: +442037400457
  • Number type: Landline
  • Carrier: Magrathea Telecommunications Limited
  • Area: London
  • Area code: 020

User Reports (3)

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

Scam/Fraud
3 months ago

Scammers - Be Careful! , Called us this week and we are a recruitment company, he said he wants 10-12 Temp Drivers ASAP to move solar panels, and they all have to speak Spanish/Portuguese, like the Manager who name he said was Martin.

Caller: A Recruitment Company
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Scam/Fraud
4 months ago

Called us first before Christmas, Looking to hire 4-5 remote data entry workers, Got wind of the scam and they called us back later that day pretending to be someone else but it was the same person on the phone. 07/01/26 - called us back again asking for exactly the same, these are recruitment scammers!

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Scam/Fraud
05 Dec 2025

I believe this number to be in use by scammers who scam other companies

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What type of call was it?

Reported locations

Reported from 21 UK cities

Jersey Farm, Batley, Brixton Hill, London, London (City of London), Wembley, Farnborough, Pinxton, Southgate, Parkstone, Edgware, London (Shadwell), Preston, Huddersfield, Sittingbourne, Birmingham, Dewsbury, Buckingham, Wivenhoe, Newry, Tonbridge

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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 3740 0457 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 3740 0457
  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 02037400457 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 02037400457 directly.

International callers should dial +44 20 3740 0457 or 0044 20 3740 0457. No leading zero is required when dialling abroad, e.g., +44(0)2037400457.