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020 3504 0923 Neutral Who called me from this phone number?

London • Core Telecom Limited
This number is a landline operated by Core Telecom Limited and located in London, England. The overall user rating for this number is Neutral. The number 02035040923 has been searched 148 times, with 2 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • Community rating: Neutral
  • User reports: 2 user reports
  • Searches: 148
  • Last reported: about 2 hours ago
  • First reported: about 2 hours ago
  • Typical call time: after 10am (94% of calls)

Number profile

  • UK format: 020 3504 0923
  • International: +442035040923
  • Number type: Landline
  • Carrier: Core Telecom Limited
  • 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
2 hours ago

Said they were from sky and going to decrease my bill for the next year. Asked me to confirm my email address, I had to spell it out several times to them. Lost signal, and she rang me straight back which was a different number to from the intitial call. Then I had a text from microsoft with a code. The lady wanted that code. I kept saying I don’t trust this call and they shouldn’t need the code to verify my email when it should be on the system in the first place. She eventually hung up abruptly. First number was - 020 3504 0923 Second number was - 020 3504 9162

Caller: Sky
Write a report and help others
Unknown Caller
2 hours ago

Said they were from sky and going to decrease my bill for the next year. Asked me to confirm my email address, I had to spell it out several times to them. Lost signal, and she rang me straight back which was a different number to from the intitial call. Then I had a text from microsoft with a code. The lady wanted that code. I kept saying I don’t trust this call and they shouldn’t need the code to verify my email when it should be on the system in the first place. She eventually hung up abruptly. First number was - 020 3504 0923 Second number was -

Caller: Sky
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What type of call was it?

Reported locations

Reported from 21 UK cities

Edinburgh, Howden, Sutton, Bradford, London, Goosnargh, Birmingham, Friern Barnet, Mayford, Cookstown, London (Shadwell), Scarborough, Ruislip, Leeds, Harrow on the Hill, Mottingham, Headstone, Cleveleys, Solihull, Manchester, Sherborne St John

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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 3504 0923 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 3504 0923
  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 02035040923 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 02035040923 directly.

International callers should dial +44 20 3504 0923 or 0044 20 3504 0923. No leading zero is required when dialling abroad, e.g., +44(0)2035040923.

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