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020 4604 4852 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 02046044852 has been searched 167 times, with 5 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 5 user reports
  • Searches: 167
  • Last reported: 7 months ago
  • First reported: 8 months ago
  • Typical call time: before 2pm (94% of calls)

Number profile

  • UK format: 020 4604 4852
  • International: +442046044852
  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020

User Reports (5)

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

Scam/Fraud
14 Oct 2025

They had my details on file claiming they were with EE and asking that they send a new SIM card as the old one was outdated - but I don’t have a contract with EE

Caller: “Anna”
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Scam/Fraud
10 Oct 2025

Scummy scammers

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Scam/Fraud
15 Sep 2025

They called me and got all my details saying its from three network

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Unknown Caller
13 Sep 2025

Didn't answer as number not known to me

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Unknown Caller
13 Sep 2025

Did not say anything so blocked it

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Please feel free to read our Community Standards before posting. We ask that comments are based on genuine experience and shared in a factual and respectful manner.

What type of call was it?

Reported locations

Reported from 21 UK cities

Loudwater, Worksop, London (Shadwell), Manchester, Holbeck, Widnes, Derrington, Gillingham, Hartshill, Ilford, Worthing, London (City of Westminster), Catford, Higham on the Hill, Lincoln, Failsworth, Kings Lynn, Edgware, East Molesey, Saint Andrews Quay, Rustington

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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 4852 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 4852
  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 02046044852 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 02046044852 directly.

International callers should dial +44 20 4604 4852 or 0044 20 4604 4852. No leading zero is required when dialling abroad, e.g., +44(0)2046044852.