Put Robocallers Out of Business

YouMail blocks robocalls and notifies the authorities.

150,000+ ratings

Historical Robocalls By Time For Area Code 420

1.6 thousand robocalls were placed to area code 420 in 2023.

Time Frame Est. National Calls
Year: 2023 (partial) 1,600
March 2023 1,600
Year: 2021 (partial) 2,400
July 2021 400
June 2021 2,000
Year: 2020 (partial) 400
January 2020 400
Year: 2018 (partial) 12,200
December 2018 500
October 2018 500
September 2018 500
August 2018 4,800
July 2018 5,900
Year: 2017 (partial) 3,500
March 2017 500
February 2017 500
January 2017 2,500
Year: 2016 (partial) 29,000
December 2016 9,500
November 2016 1,500
October 2016 2,500
September 2016 1,500
August 2016 2,000
July 2016 2,000
June 2016 2,000
May 2016 5,000
April 2016 3,000

2023 Robocall Impact

Calls Placed
1.6K

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.

Working on a robocall story? We can help!

We're the robocall experts. We have an unbelievable amount of data and insight and we just love talking about how to stop robocalls. If you're working on a story and need insight from the experts, we'd love to hear from you.
Thank you for contacting us. We'll be in touch shortly.

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.