Unknown Caller
2 months ago
Solar panels
Community overview
Community rating:
Mixed
4 user reports
First reported 2 Apr 2026
·
Last reported
2 months
ago
About this number
Number formats
- UK format: 0330 174 1821
- International: +44 330 174 1821
Number details
- Number type: Non-geographic number
- Number range allocated to: BT
Recent activity
UK visits
User Reports
Last 30 days: 19 UK visits and 0 public reports.
User Reports (4)
Unknown Caller
3 months ago
Not spoken
Unknown Caller
5 months ago
Filtered automatically to unknown caller on my phone. No message left
Reported caller:
Unknown
Spam
5 months ago
No voicemail sent, no message.
Report this number
↑ Back to reportsHow to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 0330 174 1821 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 0330 174 1821
- 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