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Top 25 Robocallers to Area Code 866 in May 2021

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 804-354-7000 Richmond, VA Verizon Wireless Insurance Customer Call Insurance Customer Call
2. 866-673-7972 Toll Free Toll Free Telemarketing Telemarketing
3. 763-274-3899 Minneapolis, MN CenturyLink Debt Collector Health Insurance Spam
4. 877-349-9337 Toll Free Toll Free Generic Robocaller Unknown Robocaller
5. 959-299-0300 Hartford, CT Teleport Communications Call Alert Call Alert
6. 212-801-6000 New York, NY MCI Metro ATS Google Voice Call Answer Unknown Robocaller
7. 313-324-3700 Detroit, MI Teleport Communications Caidan Management Company Llc Unknown Robocaller
8. 317-554-0000 Indianapolis, IN Ameritech Appointment Reminder Appointment Reminder
9. 402-543-0316 Omaha, NE Bandwidth.com CLEC, LLC Unknown Unknown Robocaller
10. 570-496-5000 Wilkes Barre, PA MCI Metro ATS Call Alert Unknown Robocaller
11. 860-273-0123 Hartford, CT Teleport Communications Insurance Customer Call Unknown Robocaller
12. 855-672-2755 Toll Free Toll Free Oscar Unknown Robocaller
13. 801-907-4033 Salt Lake City, UT Teleport Communications Humana Insurance Customer Call
14. 800-746-9464 Toll Free Toll Free Appointment Reminder Appointment Reminder
15. 800-538-8833 Toll Free Toll Free Medical Customer Call Unknown Robocaller
16. 786-306-6316 Miami, FL T-Mobile CHERRY GASKIN Unknown Robocaller
17. 719-294-3536 Colorado Springs, CO Inteliquent (719) 294-3536 Debt Reduction Scam
18. 201-380-8242 Newark, NJ Inteliquent Electric Bill Scam Electric Bill Scam
19. 515-220-2043 Des Moines, IA Inteliquent Scam Likely Unknown Robocaller
20. 402-520-6965 Omaha, NE Inteliquent Unknown Unknown Robocaller
21. 402-285-3183 Omaha, NE Inteliquent Unknown Unknown Robocaller
22. 402-252-1089 Omaha, NE Peerless Network Joe Gallo Unknown Robocaller
23. 323-889-6638 Los Angeles, CA MCI Metro ATS Danielle Unknown Robocaller
24. 302-565-1885 Wilmington, DE Inteliquent Call Alert Government Contract Scam
25. 216-554-0523 Cleveland, OH Verizon Wireless Unknown Telemarketing

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How does the YouMail Robocall Index™ Work?

The YouMail Robocall Index™ estimates monthly robocall volume in the US, as well as in various regions, and highlights the worst offenders. The index works by extrapolating the data collected from the many tens of millions of calls made each month to YouMail users.

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