Telephone number: 37390616151

More than one out of every three calls to Americans from numbers not in their contacts lists were spam in the fourth quarter of last year—and we can take some relative pride in that, because many other countries have a much bigger phone-spam problem.

Meta-owned WhatsApp allows users to make voice and video calls on the platform. This also means that several times we end up getting calls from unknown people. But according to recent reports, that will change very soon as the instant-messaging platform is working on a new feature that will silence calls from unknown…