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020 3047 8194 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, UK. The overall user rating for this number is Negative. The number 02030478194 has been searched 523 times, with 8 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 8 user reports
  • Searches: 523
  • Last reported: 7 months ago
  • First reported: over 4 years ago
  • Typical call time: before 11am (92% of calls)

Number profile

  • UK format: 020 3047 8194
  • International: +442030478194
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (8)

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

Scam/Fraud
06 Oct 2025

Claimed to be calling about a car accident I was in, i dont own a car and have never learned to drive.

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Unknown Caller
08 Jan 2022

Called and nobody spoke

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Unknown Caller
08 Jan 2022

Exactly the same thing happened who received the call

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Unknown Caller
08 Jan 2022

One ring call to my mobile. Very strange.

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Unknown Caller
08 Jan 2022

Silent when answered.

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Unknown Caller
07 Jan 2022

answered... got two beeps and dead line. called back got the same thing. insta block

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Spam
07 Jan 2022

Auto-dialled call, took a few seconds to get connected to a call center agent who said they were from O2 and were pushing a new SIM deal. I hung up then.

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Unknown Caller
07 Jan 2022

Unsure why I got this call but the line was bad and I could faintly hear a man on the other end. The caller ended the call not sure if it was a genuine call for me

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What type of call was it?

Reported locations

Reported from 21 UK cities

Cardiff, Bristol, Hinckley, Croydon, Surbiton, Maidenhead, Rotherham, Newton-le-Willows, Islington, Bermondsey, Brighton, Headstone, Goodmayes, Sheffield, Bradford, Ashford, Omagh, Broad Blunsdon, London, Hackney, Winwick

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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 3047 8194 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 3047 8194
  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 02030478194 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 02030478194 directly.

International callers should dial +44 20 3047 8194 or 0044 20 3047 8194. No leading zero is required when dialling abroad, e.g., +44(0)2030478194.