There are quite a few Android apps out that crowdsource call blocklists. I have been using Truecaller[0] with good results thus far. [0] https://play.google.co

There are quite a few Android apps out that crowdsource call blocklists. I have been using Truecaller[0] with good results thus far. [0] https://play.google.com/store/apps/details?id=com.truecaller https://play.google.com/store/apps/details?id=com.truecaller