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020 4604 4174 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 02046044174 has been searched 24 times, with 2 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 2 user reports
  • Searches: 24
  • Last reported: 8 months ago
  • First reported: 8 months ago
  • Typical call time: before 12pm (98% of calls)

Number profile

  • UK format: 020 4604 4174
  • International: +442046044174
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (2)

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

Unknown Caller
03 Sep 2025

Claimed to be from o2 and said they were giving me a loyalty discount. Wanted my email address to confirm. After spelling my email out about 8 times and being asked to repeat it over and over, I became suspicious and hung up. They rang again and then rang on a similar number with the last 2 digits different.

Caller: Chris
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Spam
03 Sep 2025

A wired noisy background with someone trying to speak. Sounded like a joke caller. Possibly a call spam scam call center.

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What type of call was it?

Reported locations

Reported from 16 UK cities

Tewkesbury, London, Hutton Magna, Enstone, Bristol, Milngavie, Hinckley, Burngreave, Croydon, Birmingham, Presteigne, Shadwell, Purley, Netherton, Brighton and Hove (Brighton), London (Shoreditch)

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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 4604 4174 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 4604 4174
  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 02046044174 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 02046044174 directly.

International callers should dial +44 20 4604 4174 or 0044 20 4604 4174. No leading zero is required when dialling abroad, e.g., +44(0)2046044174.