I got a silent call from this number yesterday. Today there was someone on the line. As soon as they started their spiel I saw that it was telemarketing. I am registered with the Telephone Preference Service so how can they legitimately pester me with these calls?
Community overview
10 user reports
User Reports (10)
automated voice asking if the homeowner and wants to sell energy
Silent call.
Silent call at 8:30 in the morning.
12 noon 17/7/25. Call showed up as scam/spam so didn't answer. Caller left no message. Am receiving daily calls from 020 numbers which I don't answer
Had 3rd call from this number. Line sounds dead when answered
Solar Energy sales, maybe computerised, when I heard the term Solar Energy I hung up.
Solar Energy sales, maybe computerised, when I heard the term Solar Energy I hung up.
Same here, an hour ago also.
Silent call. Nothing said and no message left on ansaphone.
Report this number: 020 3342 8973
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3342 8973 and tap the info icon (i)
- Scroll down and tap Block this Caller
- Confirm by tapping Block Contact
On Android
- Open the Phone app and tap the 3-dot menu
- Go to Call history or Recents
- Long press on 020 3342 8973
- 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