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020 4604 4342 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 02046044342 has been searched 393 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: 393
  • Last reported: 7 months ago
  • First reported: 7 months ago
  • Typical call time: before 11am (97% of calls)

Number profile

  • UK format: 020 4604 4342
  • International: +442046044342
  • 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
13 Oct 2025

They said they were from my mobile provider, I think they said the wrong provider first and then corrected themselves, honestly their accent was so thick I really didn’t catch most of what was going on, but they refused to stop pitching this offer when I repeatedly told them I wasn’t interested.

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Scam/Fraud
09 Oct 2025

Tried to sell vodaphone upgrade

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Spam
08 Oct 2025

Said they were calling from Vodafone with deals in my area. Kept talking when I politely said I wasn’t interested. Blatantly not Vodafone.

Caller: SKB
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Scam/Fraud
07 Oct 2025

Claimed they were from my phone provider 02 My provider is not 02 so I hung up as it’s obviously either some sort of scam or sakes call

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Scam/Fraud
06 Oct 2025

Claimed to be Vodafone and with a deal on an iPhone 17. It was unquestionably a scam.

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What type of call was it?

Reported locations

Reported from 21 UK cities

Feltham, Berkswell, Preston, Hedge End, Litherland, London, Harpenden, Stanwell, Westminster, London (Shadwell), New Milton, Holbeck, Bedford, Fazakerley, London (South Bank), Bradford, Didsbury, Billinge, Dagenham, Dover, Oldham

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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 4342 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 4342
  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 02046044342 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 02046044342 directly.

International callers should dial +44 20 4604 4342 or 0044 20 4604 4342. No leading zero is required when dialling abroad, e.g., +44(0)2046044342.