Activating Call Forwarding With US Cellular James Updated April 12, 2019 00:06 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 How to Cancel Your YouMail Account & Return to Your Carrier Voicemail Which Service Providers Are Supported by YouMail Drop Box? How to Reconnect to My Carrier? Comments 0 comments Please sign in to leave a comment.