Complaint trends
Monthly FTC and FCC volumes, changes in reported categories, and shifts across reporting windows.
CallSlayer research
Unwanted-call intelligence reports
Recurring original analysis of complaint activity, reported numbers, calling infrastructure, and the patterns that help explain what consumers are experiencing.
Featured data report · August 2026
Top Reported Spam and Robocall Numbers
Ranked phone numbers, area-code concentrations, carrier patterns, and line-type signals drawn from 301,433 reported numbers in the current Intelligence dataset.
Published August 3, 2026 · Data through August 1, 2026
Monthly baseline
August 2026 Unwanted-Call Intelligence Report
A sourced overview of recent complaint volume, originating-number activity, advertiser mentions, interpretation limits, and CallSlayer’s publication methodology.
Read the monthly report →Research program
What CallSlayer will track
Number patterns
Frequently reported numbers, CallSlayer observations, carrier and VoIP patterns, and changing risk signals.
Geographic signals
State, region, and area-code patterns where the underlying data supports a useful comparison.
Emerging campaigns
Shared scripts, websites, callback numbers, business clues, and infrastructure that connect related activity.
Publication standard
Original analysis with visible limits
Every report shows its source dates, methodology, and interpretation limits. Complaint reports are signals—not findings—and overlapping source categories are identified rather than silently combined.