https://m.slashdot.org/story/393315

“When a scammer wants to set up an account on.. online services..a thing that stands in their way is SMS verification..Sites often do this to prevent people from making fraudulent accounts in bulk. But fraudsters can turn to large scale, automated services to lease them phone numbers for less than a cent. One of those is 5SIM, a website that members of the video game cheating community mention as a way to fulfill the request for SMS verification”