020 3518 0421 Negative Who called me from this phone number?

London • BT
This number is a landline operated by BT and located in London, England. The overall user rating for this number is Negative. The number 02035180421 has been searched 574 times, with 11 user comments helping to identify the caller's intent.
Your comment helps others identify this number. Thank you for contributing!

At a glance

Community signals

  • User reports: 11 user reports
  • Searches: 574
  • Last reported: 7 months ago
  • First reported: 7 months ago
  • Typical call time: before 11am (93% of calls)

Number profile

  • UK format: 020 3518 0421
  • International: +442035180421
  • Number type: Landline
  • Carrier: BT
  • Area: London
  • Area code: 020

User Reports (11)

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

Scam/Fraud
28 Oct 2025

It's a scam. As others have commented, they ask to speak to you about your 'housing problem' Best advice, hang up or don't answer.

Unknown Caller
28 Oct 2025

Phone d it don’t recognise the number declined haven’t rung back

Scam/Fraud
28 Oct 2025

Hung up after few rings ..,,best advice given by south wales police” if unkown number ring do not answer, person will leave voicemail if important… if you answer these spam callers they let it be known to other spamers your number is “live” and yoy will get mire and more unknown spam callers. 👌

Scam/Fraud
28 Oct 2025

Says they’re housing repairs but are a scam - I own my house without issues

Scam/Fraud
28 Oct 2025

Said they were calling from housing repairs because of a report I made. I said I didn’t report any housing issues and they hung up

Scam/Fraud
28 Oct 2025

Didn’t know my name but apparently my house needs repairs. It doesn’t.

Unknown Caller
28 Oct 2025

Called once. I Ignored call. They hung up after a few rings and left no voicemail.

Spam
28 Oct 2025

Didn't answer but must be spam. My phone reckoned it's spam. Google reckons it's BT but I don't have a landline and haven't for over 10 years. I have also never had any account with BT ever.

Unknown Caller
28 Oct 2025

Ignored call hung up after a few rings

Unknown Caller
28 Oct 2025

Called once no voice mail left

Unknown Caller
28 Oct 2025

Left voice Mail but did not speak. Number has been blocked

Caller: Suspected spam

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What type of call was it?

Reported locations

Reported from 21 UK cities

Eastwood, Crystal Palace, Cricklade, Luton, Annan, Coalville, Needingworth, London, Warrington, Kings Lynn, Fulwood, Birmingham, Johnstone, Crowland, Bridgwater, Bath, Bathgate, Aylesford, Kempsey, Thornton, Carlisle

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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 3518 0421 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 3518 0421
  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

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Call Costs

Calling 02035180421 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 02035180421 directly.

International callers should dial +44 20 3518 0421 or 0044 20 3518 0421. No leading zero is required when dialling abroad, e.g., +44(0)2035180421.

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