Unknown Caller
Phone call
5 days ago
Don’t pick up as unknown number
Community overview
Community rating:
Negative
10 user reports
First reported 8 Sep 2026
·
Last reported
5 days
ago
About this number
Number formats
- UK format: 01904 531511
- International: +44 1904 531511
Number details
- Number type: Landline
- Number range allocated to: Core Telecom Limited
- Area: York
- Area code: 01904
Recent activity
UK visits
User Reports
Last 30 days: 481 UK visits and 3 public reports.
Reported categories
Based on 10 public user reports
Unknown Caller
40% (4)
Scam/Fraud
30% (3)
Spam
30% (3)
User Reports (10)
Spam
Phone call
15 days ago
Silent caller
Scam/Fraud
Phone call
15 days ago
phone flagged it as scam
Spam
Phone call
1 month ago
Line dead
Scam/Fraud
1 month ago
Didn’t answer. Suspected scam. No voicemail left
Scam/Fraud
1 month ago
Silent call
Unknown Caller
1 month ago
Missed call, no voicemail
Spam
1 month ago
Called, was presented as "suspected spam"
Unknown Caller
1 month ago
missed call, attempted call back, went to line busy
Unknown Caller
1 month ago
once no message
Report this number: 01904 531511
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How to Block This Number
On iPhone
- Open the Phone app and go to Recents
- Find the number 01904 531511 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 01904 531511
- 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