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020 4583 8876 Negative Who called me from this phone number?

London • Colt Technology Services
This number is a landline operated by Colt Technology Services and located in London, England. The overall user rating for this number is Negative. The number 02045838876 has been searched 53 times, with 1 user comment helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 1 user report
  • Searches: 53
  • Last reported: 5 months ago
  • First reported: 5 months ago
  • Typical call time: before 3pm (94% of calls)

Number profile

  • UK format: 020 4583 8876
  • International: +442045838876
  • Number type: Landline
  • Carrier: Colt Technology Services
  • 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!

Scam/Fraud
20 Dec 2025

Number came up with a❗ suggesting a spam call. Caller said they were from EE and advised that the number called was going to be deactivated within 24 hours and wanted an email address to forward details for a new SIM card. I'm not an EE mobile phone customer and id I was it would be EE that called me not Colt (whoever they are!). Ended the call.

Caller: Colt
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What type of call was it?

Reported locations

Reported from 21 UK cities

Doncaster, Thamesmead, Bedford, Feltham, West Wickham, Llanfynydd, Tipton, Sprowston, Runcorn, Bletchley, Manchester, Pwllheli, Havant, Faringdon, Sheffield, Brockley, Thornhill, Leeds, Yeovil, Crewe, Coventry

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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 4583 8876 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 4583 8876
  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)

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Learn more about TPS registration

Latest reports

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Call Costs

Calling 02045838876 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 02045838876 directly.

International callers should dial +44 20 4583 8876 or 0044 20 4583 8876. No leading zero is required when dialling abroad, e.g., +44(0)2045838876.