Reported Numbers in the 866-878-1xxx Block — Toll-Free

11 different phone numbers from 866-878-1000 to 866-878-1999 have been reported to the FTC, with 210 complaints in total, 2 of them in the last 90 days. 40% of the complaints describe "Reducing your debt (credit cards, mortgage, student loans)". Reports came from 37 states, most often California, Texas and Florida. The earliest complaint on record is from August 13, 2024 and the most recent from September 1, 2026.

11
reported numbers
210
total complaints
2
in the last 90 days
80%
reported as robocalls

Complaints are filed by consumers with the FTC and are not verified. Callers often spoof numbers, so a number listed here may have been faked by a caller rather than used by the person or business it is assigned to. Many complaints spread across consecutive numbers can point to one calling operation rotating through a block, but this page does not identify who placed the calls. How we source this data.

What People Reported

Complaint typeReportsShare
Reducing your debt (credit cards, mortgage, student loans)8540%
Other8139%
Calls pretending to be government, businesses, or family and friends3014%
No subject provided73%
Dropped call or no message42%
Work from home & other ways to make money21%
Unwanted Calls10%

Where Reports Came From

California26
Texas23
Florida20
Colorado15
Illinois14
New York13

Complaints by Month (Last 12 Months)

Dec 2025
2
Jan 2026
1
Feb 2026
1
Mar 2026
0
Apr 2026
0
May 2026
0
Jun 2026
0
Jul 2026
1
Aug 2026
1
Sep 2026
1
Oct 2026
0
Nov 2026
0

Every Reported Number in 866-878-1xxx

Sorted by number of complaints. Linked numbers have a full complaint report.

(866) 878-1484 (14)
(866) 878-1031 (4)
(866) 878-1421 (2)
(866) 878-1187 (1)
(866) 878-1423 (1)
(866) 878-1507 (1)
(866) 878-1752 (1)
(866) 878-1756 (1)