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020 3504 2131 Negative Who called me from this phone number?

London • Core Telecom Limited
This number is a landline operated by Core Telecom Limited and located in London, England. The overall user rating for this number is Negative. The number 02035042131 has been searched 658 times, with 4 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 4 user reports
  • Searches: 658
  • Last reported: 6 months ago
  • First reported: 6 months ago
  • Typical call time: before 10am (90% of calls)

Number profile

  • UK format: 020 3504 2131
  • International: +442035042131
  • Number type: Landline
  • Carrier: Core Telecom Limited
  • Area: London
  • Area code: 020

User Reports (4)

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

Scam/Fraud
03 Dec 2025

Once this evening . Scam

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Scam/Fraud
03 Dec 2025

claiming to be accident helpline - scam

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Scam/Fraud
03 Dec 2025

He said I had had a motor accident and wanted details.... Said I fell off my bike when I was 7 years old and does that count... he hung up.

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Spam
03 Dec 2025

saying they were from a legal team

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What type of call was it?

Reported locations

Reported from 21 UK cities

Glasgow, London, Norwich, Tamworth, Drighlington, Stepney, Camden, Bures Saint Mary, Chapel Allerton, Camberwell, Mitcham, Sinfin, Romford, Claybrooke Magna, Dudley, Tavistock, Manchester, London (Shadwell), Cardiff, Dingle, Abbots Langley

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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 3504 2131 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 3504 2131
  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 02035042131 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 02035042131 directly.

International callers should dial +44 20 3504 2131 or 0044 20 3504 2131. No leading zero is required when dialling abroad, e.g., +44(0)2035042131.