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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August 2018 Nationwide Robocall Data

4.2 billion robocalls were placed nationwide in August 2018,equaling roughly 13.0 calls per person affected.

Top 20 Robocallers Nationwide in August 2018 (by volume)

Updated 9/1/2018

Robocaller Est. National Calls Place of Origin Suspected Type of Call
800-955-6600 41,219,700 Toll Free Payments/Debt
800-266-2278 16,629,000 Toll Free Cable Company Debt Collection
855-245-7098 14,976,200 Toll Free Payments/Debt
877-647-8552 13,714,800 Toll Free Payments/Debt
888-222-4227 13,082,900 Toll Free Payments/Debt
623-537-1602 11,931,400 Phoenix, AZ Health Insurance Spam Call
888-393-7162 10,160,600 Toll Free Online Retail Debt Collection
518-835-8916 9,947,500 Schenectady, NY Health Insurance Spam Call
866-532-0423 9,939,300 Toll Free Payments/Debt
901-922-5833 9,272,200 Memphis, TN Health Insurance Spam Call
866-890-3387 8,749,700 Toll Free Payments/Debt
714-202-0244 8,294,700 Long Beach, CA Business Loan Scam
844-213-7851 8,215,700 Toll Free Spammer
800-947-5096 8,214,700 Toll Free Phone Company
866-408-4070 8,036,400 Toll Free Bank Debt Collection
320-229-1277 7,818,000 Saint Cloud, MN Health Insurance Spam Call
877-836-5643 7,303,300 Toll Free Bank
800-292-7508 7,260,400 Toll Free Financial Services
404-835-5477 7,130,200 Atlanta, GA Health Insurance Spam Call
866-453-2636 7,054,600 Toll Free Credit Card Debt Collection

Top 20 Affected Area Codes Nationwide in August 2018 (by volume)

Updated 9/1/2018

Area Code City State Est. Calls Received % Change MOM
404 Atlanta GA 81,448,800 4
214 Dallas TX 65,660,000 9
832 Houston TX 61,879,200 -4
678 Atlanta GA 59,453,700 4
954 Miami FL 51,994,800 5
917 New York NY 49,728,900 5
310 Los Angeles CA 45,315,200 8
347 New York NY 40,505,400 1
817 Dallas TX 40,482,700 4
770 Atlanta GA 40,139,500 5
773 Chicago IL 39,485,000 4
704 Charlotte NC 39,006,800 8
205 Birmingham AL 37,389,700 6
305 Miami FL 36,995,900 2
702 Las Vegas NV 36,719,200 12
407 Orlando FL 36,638,300 9
281 Houston TX 36,159,600 17
901 Memphis TN 36,081,600 4
713 Houston TX 33,632,000 10
225 Baton Rouge LA 32,890,700 5

City Breakdown

Getting Harassed by Robocalls?

Try YouMail's reverse phone lookup in our community directory! It's the place where millions of YouMailers go to search for and report nuisance phone numbers.

Every Telecom Service Can Now Stop Robocalls

The same API YouMail uses to reliably identify and block robocalls is now available to protect everyone. It's just one simple API call to determine whether a caller is a problem.
Single String to YouMail's server
Telco Sends a Number Calling in:
curl ''
Virtually instantaneous response to telco company letting them know if the caller has been identified as a robo/spam, allowing the telco to block the call before the recipient is bothered.
YouMail Responds Instantly with Spam/Robo Flag:
{"statusCode":10000,"recordFound":true,"phoneNumber:"9991002000","spamRisk":{"level":1,"reasonLabel":"SPAM_OTHER","reasonCode":5999,"reasonMessage":"This caller has been determined to be a spammer."},"timestamp":"2016-10-05T00:55:50.526Z"}
A simple API call allows anyone to determine if a number is definitely spam, likely spam, or not spam. The results are drawn directly from our intelligent algorithms that combine call patterns and crowdsourced spam data.
Nearly 15 billion robocalls were made in the U.S. during the first half of 2017, according to YouMail, which provides anti-robocall services.
If it seems like you're getting more robocalls than ever, experts say you're right. But the people who are calling are not telemarketers.
For all the fancy technology of smartphones, robocalls remain a nearly unstoppable problem.
Robocalling soars despite 'Do Not Call' registry, as scammers 'couldn't care less' about bothering consumers.