Hearing Carry-Over (HCO)
Hearing Carry-Over (HCO)
Dial 7-1-1 or 800-877-1113
Hearing Carry Over (HCO) allows speech-disabled users with hearing to listen to the person they are calling. The HCO user types his/her conversation on TTY for the Communications Assistant (CA) to read to the standard telephone user.
How it works