Unknown Caller
5 months ago
Silent call, assume scammer, blacklisted and now await the next scam.
Community overview
Community rating:
Negative
5 user reports
First reported 1 Apr 2026
·
Last reported
5 months
ago
User Reports (5)
Scam/Fraud
5 months ago
They were from my Essex Energy Provider. Took some time to respond but elderly female English accent. As we are on the TPS told her to stuff it. Had several calls over last months from same company but male accents.
Unknown Caller
5 months ago
Called regarding loft insulation,asked several times who were they,refused to answer,I said goodbye and put phone dowmn
Unknown Caller
5 months ago
Same as yesterday's report. Called 16.00, did not answer and no message left. Assume scam. (Add Winchester to your list of cities)
Unknown Caller
5 months ago
First appearance today, 1st APRIL. Called at 10:30, did not answer, no message left. Would assume scam, now blocked.
Report this number
↑ Back to reportsHow to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3504 5706 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 3504 5706
- 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 registrationAbout this number
Number formats
- UK format: 020 3504 5706
- International: +44 20 3504 5706
Number details
- Number type: Landline
- Number range allocated to: Core Telecom Limited
- Area: London
- Area code: 020