How can I register Whoscall? Whoscall Service Center September 10, 2020 07:06 You can register an account through Facebook or Gmail. Related articles Why can't I receive the verification code (SMS) ? What features does the Whoscall Premium version have? Why is “Call Blocking & Identification” turned off? Why can’t I find it? Can I restore data from my previous account when I re-install Whoscall or change a new device? How can I verify my new phone number on my previous account? Comments 0 comments Article is closed for comments.