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020 4604 4851 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 02046044851 has been searched 274 times, with 7 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 7 user reports
  • Searches: 274
  • Last reported: 7 months ago
  • First reported: 8 months ago
  • Typical call time: before 2pm (91% of calls)

Number profile

  • UK format: 020 4604 4851
  • International: +442046044851
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (7)

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

Scam/Fraud
18 Oct 2025

Indian caller pretending to be from EE and claiming that my Sim Card was about to be deactivated and so they needed all sorts of details from me. I told them I'd be reporting this scam. I literally spoke to EE the other day when I phoned them about a different matter and they never mentioned anything at all about this. I detest these fraudsters who pretend to be from various companies and try to defraud innocent people.

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Scam/Fraud
13 Oct 2025

Pretended to call from EE. Asked "How are you"? then said my SIM card was going to be blocked within the next 7 days and hung up.

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Scam/Fraud
13 Oct 2025

Purported to be from EE

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Unknown Caller
08 Oct 2025

I didn’t answer it and they didn’t leave a message

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Unknown Caller
01 Oct 2025

Call transcript: Caller - Hello I'm from EE, how are you? Me - What is the purpose of this call? Caller immediately hung up. Obviously a scam call - No personal name provided by the caller, and a strong dislike for my annoyance that I picked up a call from an unrecognised telephone number.

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Scam/Fraud
29 Sep 2025

Claimed to from EE and they were going upgrade my SIM. Didn’t identify themselves. Didn’t even ask me to confirm my name.

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Spam
26 Sep 2025

Called stating he was from EE and that my SIM was being blocked in 7 days and to get a new one he needed my log in details. When challenged immediately hung up.

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What type of call was it?

Reported locations

Reported from 21 UK cities

Gloucester, Godmanchester, Weybridge, Braunstone, Coventry, Coatbridge, Sheffield, London, Abercanaid, Cardiff, Dry Drayton, Lewes, Brownhills, Chapel Allerton, Reading, Kilkeel, Inverurie, Eltham, Kirkby Stephen, London (Shadwell), Newbury

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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 4851 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 4851
  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 02046044851 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 02046044851 directly.

International callers should dial +44 20 4604 4851 or 0044 20 4604 4851. No leading zero is required when dialling abroad, e.g., +44(0)2046044851.