Support

Relay South Dakota Customer Support

Do you have questions or concerns about the relay service and use of 7-1-1?
Our Customer Service Representatives are available Monday-Friday from 6am – 11pm Central Standard Time.

877-866-8950 (voice or TTY)
Sprint.TRSCustServ@sprint.com
877-877-3291 (fax)


CapTel Customer Service

Do you have a CapTel Phone that you need support with? 
Our Customer Service Representatives are available 24/7! (excluding holidays)

888-269-7477
CapTel@CapTel.com
608-204-6167 (fax)