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Top 25 Robocallers to Area Code 866 in July 2021

Robocaller Place of Origin Carrier Caller ID Caller Type
1. 866-673-7972 Toll Free Toll Free Telemarketing Telemarketing
2. 763-274-3899 Minneapolis, MN CenturyLink Health Insurance Spam Health Insurance Spam
3. 804-354-7000 Richmond, VA Verizon Wireless Anthem Medical Customer Call
4. 212-801-6000 New York, NY MCI Metro ATS Google Voice Call Answer Unknown Robocaller
5. 959-299-0300 Hartford, CT Teleport Communications Google Voice Call Answer Google Voice Call Answer
6. 860-273-9969 Hartford, CT Teleport Communications Charles Brown Unknown Robocaller
7. 562-989-5100 Los Angeles, CA Paetec Chase Unknown Robocaller
8. 844-292-8615 Toll Free Toll Free Kaiser Permanente Customer Call
9. 860-273-0123 Hartford, CT Teleport Communications Customer Call Customer Call
10. 888-245-1655 Toll Free Toll Free Unknown Unknown Robocaller
11. 402-382-9100 Omaha, NE Inteliquent (402) 382-9100 Unknown Robocaller
12. 402-354-5060 Omaha, NE Comcast Customer Call Unknown Robocaller
13. 325-793-4000 Abilene, TX Teleport Communications Unknown Unknown Robocaller
14. 313-225-9000 Detroit, MI Teleport Communications Customer Call Customer Call
15. 215-241-2400 Philadelphia, PA MCI Metro ATS Ameri Health Hmo Inc Unknown Robocaller
16. 405-232-7663 Oklahoma City, OK Teleport Communications Call Alert Unknown Robocaller
17. 503-672-2000 Portland, OR Frontier Providence Plans Unknown Robocaller
18. 605-307-3979 Sioux Falls, SD Inteliquent Unknown Unknown Robocaller
19. 617-246-5000 Boston, MA CenturyLink Customer Call Customer Call
20. 480-921-8944 Phoenix, AZ CenturyLink Arizona Medical Network Inc Unknown Robocaller
21. 478-956-3777 Macon, GA Windstream WILLIAMS GREG V Unknown Robocaller
22. 404-261-2590 Atlanta, GA MCI Metro ATS Customer Call Customer Call
23. 402-204-3494 Omaha, NE Bandwidth.com CLEC, LLC Unknown Unknown Robocaller
24. 208-344-7900 Boise, ID Allstream Inc. (Canada) Idaho Health Cooperative Unknown Robocaller
25. 201-879-9556 Newark, NJ Unknown Unknown Vehicle Warranty Scam

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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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