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020 4551 6146 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 02045516146 has been searched 2 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: 2
  • Last reported: 6 months ago
  • First reported: 6 months ago
  • Typical call time: Usually weekdays 10-12

Number profile

  • UK format: 020 4551 6146
  • International: +442045516146
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (1)

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Scam/Fraud
22 Nov 2025

Crypto scam

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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 4551 6146 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 4551 6146
  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)

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Latest reports

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Call Costs

Calling 02045516146 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 02045516146 directly.

International callers should dial +44 20 4551 6146 or 0044 20 4551 6146. No leading zero is required when dialling abroad, e.g., +44(0)2045516146.

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