Who called?
Identify phone terror instantly.
The community-driven reverse search. Find out if a call is safe or if a spam call center is behind it.
Current Spam Trends
These numbers are currently reported the most.
How tellcalls works
Unlike regular phone books, we don't guess. Our system cross-references phone numbers with global community databases in real time.
Real-Time Analysis
Every search is matched against dozens of international community databases. Fresh data instead of outdated lists.
Intelligent Meta Score
We filter outliers and bots. Our proprietary algorithm calculates an incorruptible Meta Score from 1 to 10 across all global sources.
Provider Forensics
Is the spammer on O2, Telekom or Vodafone? We dig deep into HLR data and routing info to reveal the real carrier behind the number.
Trusted by thousands of users worldwide
Frequently Asked Questions (FAQ)
Is Tellcalls completely free?
Yes, the Tellcalls reverse search is 100% free and funded by discreet, non-invasive advertising. There are no hidden costs or subscription traps.
Where do the warnings come from?
Our database is built on community reports and publicly available information. If a number is reported as spam, it appears in our database within seconds.
How is the Meta Score calculated?
We normalize the different scoring systems of worldwide platforms into a clear scale from 1 (Safe) to 10 (Dangerous). A score of 6+ indicates aggressive spam calls or phone scams.