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020 3655 9440 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 02036559440 has been searched 104 times, with 4 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 4 user reports
  • Searches: 104
  • Last reported: about 2 months ago
  • First reported: about 2 months ago
  • Typical call time: before 2pm (90% of calls)

Number profile

  • Number type: Landline
  • Carrier: Colt Technology Services
  • Area: London
  • Area code: 020
  • UK format: 020 3655 9440
  • International: +442036559440

User Reports (4)

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

Spam
2 months ago

They contacted me saying they are O2. They know my email and they did something so I got an email verification. The email is from O2 and they ask me to press on the verification button. There was a login button not a verification one. The email also has a clear warning against such scam and ask you to end the call immediately.

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Legitimate
2 months ago

They are the true caller from o2 and all the stuff is legitimate

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Scam/Fraud
2 months ago

Scam fake mobile operator

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Scam/Fraud
2 months ago

Reporting to be 02

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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

Brighton, Newport, Hoddesdon, Barry, Batley, Leicester, Chesterfield, Desford, London, Ynysybwl, Stoke Gifford, Whickham, Alton, Guildford, Crewe, Ashford, London (Shadwell), Martlesham (Martlesham Heath), Clayton, Nelson, Bradford

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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 3655 9440 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 3655 9440
  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 02036559440 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 02036559440 directly.

International callers should dial +44 20 3655 9440 or 0044 20 3655 9440. No leading zero is required when dialling abroad, e.g., +44(0)2036559440.