Who-Calls.me.uk

020 3504 3858 Limited data Who called me from this phone number?

London area • Range allocated to Core Telecom Limited
This is a landline number associated with the London area. The number is from a range allocated to Core Telecom Limited. The current community rating is Limited data. There is 1 user report available for this number.
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At a glance

Community signals

  • Community rating: Limited data
  • User reports: 1 user report
  • Last reported: 6 months ago
  • First reported: 6 months ago

Number profile

  • UK format: 020 3504 3858
  • International: +44 20 3504 3858
  • Number type: Landline
  • Number range allocated to: Core Telecom Limited
  • Area: London
  • Area code: 020

User Reports (1)

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

Unknown Caller
6 months ago

Could not understand the caller.

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What type of call was it?

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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 3858 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 3858
  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

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