Company Name Mr. Number
Mailing Address Undisclosed San Mateo, CA 94401
Company Description Mr. Number develops apps for smartphones that let consumers control who can call them and when. More than two million people use Mr. Number to let friends know when they are free to talk and when they are busy; to block calls and texts from people that they don’t want to hear from again; and to find out who is calling when they don’t recognize a number in the first place.