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 Does Whoscall automatically block unknown numbers? How to activate Quick Search widget? Why would I receive calls from numbers that I had already blocked? What features does the Whoscall Premium version have? How to activate the "Caller Identification" function? Comments 0 comments Article is closed for comments.