Unknown Caller
25 Sep 2025
Unknown number no message looks like it could be AI generated blocked
Community overview
Community rating:
Negative
7 user reports
First reported 12 Sep 2025
·
Last reported
1 year
ago
About this number
Number formats
- UK format: 020 3996 3448
- International: +44 20 3996 3448
Number details
- Number type: Landline
- Number range allocated to: DIDWW Ireland Limited
- Area: London
- Area code: 020
Reported categories
Based on 7 public user reports
Unknown Caller
71% (5)
Spam
14% (1)
Telemarketer
14% (1)
User Reports (7)
Telemarketer
15 Sep 2025
They call up to talk about insulation in your home, the first voice you hear asking questions is AI generated. It then gets passed on to a human.
Unknown Caller
15 Sep 2025
Rang 3 times and cut off. Returned, but the call di dnot go . Most possibly a SCAM.
Unknown Caller
15 Sep 2025
Called twice before 11am. Did not answer, did not leave a message.
Unknown Caller
14 Sep 2025
Twice in a day. Missed to answer. When called back only answering machine music.
Spam
12 Sep 2025
Hung up before picked up
Unknown Caller
12 Sep 2025
1st call from this number, hung up before I could answer
Report this number: 020 3996 3448
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 020 3996 3448 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 3996 3448
- 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