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Robocall Problem Status: High

2021 U.S. Robocall Insights

6,28 billion robocalls were made in December 2021. That's nearly 23 spam calls for every person.

Read RoboKiller's Mid-Year Insights Report for 2021


Robocalls per week


Robocalls during weekdays


Robocalls during weekends


Total Robocalls per day


Total Robocalls per minute


Total Robocalls per second

Top 10 Area Codes Flooded by Robocalls

These are cities scammers, robocallers, and telemarketers targeted the most in December.

Area Code City Spam Calls
1 740 Ohio 54,200,127
2 936 Texas 51,469,878
3 864 South Carolina 49,938,440
4 520 Arizona 48,625,424
5 209 California 47,982,574
6 830 Texas 47,731,992
7 678 Georgia 46,333,374
8 843 South Carolina 44,759,996
9 336 North Carolina 44,738,266
10 937 Ohio 44,731,009
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RoboKiller’s Impact on the Fight Against Phone Spam

RoboKiller is solving the robocall problem by combining machine learning algorithms with Answer Bots that answer spam calls, driving scammers crazy and putting them out of business.

Spam Calls RoboKiller Blocked in December 2021


Spam Phone Numbers on RoboKiller’s List


Spam Calls RoboKiller Blocked Per Person


Spammer Time Answer Bots Wasted in December 2021

0 hours

Total Spammer’s Time Wasted in 2021

0 minutes
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