Can Whoscall block SMS? Gogolook Service September 10, 2020 07:24 Currently, Whoscall is unable to block SMS due to the restriction of the iOS system. Related articles How to activate the "Caller Identification" function? Why would I receive calls from numbers that I had already blocked? How to activate Quick Search widget? What features does Whoscall Premium offer? Does Whoscall automatically block unknown numbers? Comments 0 comments Article is closed for comments.