(866) 403-5512 - 121 Other Complaints | California

About Phone Number (866) 403-5512

This is a toll-free number that has been included in our database for tracking reports and caller information.

Our records indicate that this number has been reported 121 times. The most common reason for reports is Other.

About Area Code 866

This is a toll-free number (area code 866). Toll-free numbers are commonly used by businesses, government agencies, and customer service departments across the United States. Calls to these numbers are free for the caller.

Detailed Complaint Analysis for (866) 403-5512

Our database has collected 121 reports about calls from this number across 9 complaint categories:

Other: 37% (45 reports)
Medical & prescriptions: 25% (30 reports)
Dropped call or no message: 21% (25 reports)
No Subject Provided: 12% (15 reports)
Calls pretending to be government, businesses, or family and friends: 2% (2 reports)
Lotteries, prizes & sweepstakes: 1% (1 reports)
Warranties & protection plans: 1% (1 reports)
Reducing your debt (credit cards, mortgage, student loans): 1% (1 reports)
Unwanted Calls: 1% (1 reports)

How to Handle Calls Related to Other

When dealing with calls from this number:

  • Do not share personal or financial information with unknown callers
  • Ask the caller to identify themselves and their organization
  • Request to be removed from their calling list
  • Use your phone's blocking feature to prevent future calls
  • Report unwanted calls to the FTC at reportfraud.ftc.gov

Complaint Summary for (866) 403-5512

Complaint Type Number of Complaints
Other45
Medical & prescriptions30
Dropped call or no message25
No Subject Provided15
Calls pretending to be government, businesses, or family and friends2
Lotteries, prizes & sweepstakes1
Warranties & protection plans1
Reducing your debt (credit cards, mortgage, student loans)1
Unwanted Calls1

Where Reports Originate

Complaints about (866) 403-5512 have been filed from 13 states. The most reports come from California (18 reports), Oklahoma City, Oklahoma (16 reports), Maryville, Tennessee (8 reports).

StateCityReports
CaliforniaNot specified18
OklahomaOklahoma City16
TennesseeMaryville8
ArizonaKingman6
IllinoisNot specified5
NevadaLas Vegas, NV 891154
North CarolinaGreensboro3
UtahLAYTON3
South CarolinaColumbia3
Illinoischicago3
North CarolinaRaleigh3
KentuckyNot specified2
West Virginiabelington2
LouisianaNot specified2
OklahomaYukon2

Complaint Activity Over Time

The first complaint about (866) 403-5512 was recorded on August 28, 2023. The most recent report was filed on June 3, 2026. Peak activity occurred in October 2024 with 20 complaints.

MonthReports
Jun 20262
May 20262
Apr 20266
Mar 20263
Feb 20262
Jan 20263
Dec 20254
Sep 20253
Aug 20254
Jul 20257
Apr 20255
Mar 20254

Call Type Analysis

Of the 115 reports filed about (866) 403-5512, 84% were identified as automated robocalls, 16% were live callers.

Robocall (97)Live caller (18)

Take Action Against Unwanted Calls

This number has received a significant number of complaints. Consider these actions:

How to Block
Report This Number
File FTC Complaint

Other Reported Numbers in Area Code 866

Related Resources

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