Area code 650 is assigned to California covering San Mateo, Palo Alto, and 6 numbers there have accumulated enough FTC complaints to be listed on this page. Reported complaints here skew toward "Other" and other miscellaneous robocall categories rather than one well-defined scheme. Complaint volume has climbed over the trailing 12 months, with more reports in the second half of that window than the first, worth extra caution if you're screening a call from this area code right now.
Showing 6 phone numbers in area code 650 (California) with reported complaints. Click any number for full caller details and complaint history.