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Historical Robocalls By Time For Area Code 311

1.3 million robocalls were placed to area code 311 in 2021.

Time Frame Est. National Calls
Year: 2021 (partial) 1,298,900
July 2021 108,000
June 2021 351,200
May 2021 129,700
April 2021 124,200
March 2021 189,400
February 2021 183,500
January 2021 212,900
Year: 2020 (partial) 235,400
December 2020 132,300
November 2020 101,800
June 2020 900
January 2020 400
Year: 2019 (partial) 2,200
October 2019 1,300
June 2019 900
Year: 2018 (partial) 1,100
March 2018 1,100
Year: 2016 (partial) 60,500
September 2016 500
August 2016 21,500
July 2016 16,500
June 2016 21,000
May 2016 1,000

2021 Robocall Impact

Calls Placed
1.3M

Affected Area

YouMail's Top 100 Robocallers

See which numbers are the highest volume robocallers!

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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