Activating Call Forwarding With US Cellular James Updated February 11, 2019 17:07 Follow Please follow the interactive help guide to help activate YouMail for US Cellular. Related articles What is Conditional Call Forwarding? Activating Call Forwarding With AT&T Which Service Providers Are Supported by YouMail Drop Box? How to Cancel Your YouMail Account & Return to Your Carrier Voicemail How to Forward My Calls Back to My Carrier? Comments 0 comments Please sign in to leave a comment.