Top Reported Phone Numbers in the UK - Most Complained About Calls

This page lists phone numbers that have received the highest number of reports from users across the United Kingdom. These numbers are frequently associated with spam calls, scam attempts, telemarketing campaigns, or other nuisance calls.

If you recently received a call from an unfamiliar number, checking this list may help you identify whether other users have reported similar experiences.

Important: Many scam calls use number spoofing. This means the number displayed on your phone may not be the real caller.

Most Reported Numbers

Reported as: Scam / Financial Fraud
Reported as: Telemarketing
Reported as: Delivery Scam
Reported as: Energy Scam
Reported as: Robocall

Why These Numbers Are Reported

Phone numbers appear on this list when multiple users report suspicious or unwanted calls. Common complaints include:

  • Automated robocalls
  • Fake delivery notifications
  • Bank or financial scams
  • Energy supplier scams
  • Unsolicited telemarketing calls

If you receive a call from a number listed here, avoid sharing personal information and consider blocking the number on your phone.

Help Others by Reporting Suspicious Numbers

User reports help identify spam and scam callers faster. If you receive a suspicious call, you can report the number and share your experience to warn others.