
Unfortunately, these tools aren’t perfect.

In response to the growing number of scam calls to mobile phones, many carriers and third parties have created tools to identify and block scam calls. Though there are many types of non-fraudulent robocalls, ranging from emergency alerts to solicited telemarketing messages, the number of illegitimate calls remains significant. In March 2021, the number of robocalls received has already returned to pre-pandemic levels, at an estimated 4.6 billion per month.

However, robocalling technology - systems that allow parties to dial numbers automatically or use prerecorded voice messages - have made receiving fraudulent calls much more common.
