Hearing Carry-Over (HCO)
Dial 7-1-1 or 1-800-648-6056
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 relay operator to read to the standard telephone user.
For more information:
How HCO works

HCO to TTY
Dial 7-1-1 or 1-800-648-6056
The HCO user types his/her conversation directly to the TTY user.
HCO users can listen while the relay
operator is reading/voicing the TTY
user's typed reply message.
For more information:
How HCO to TTY works

HCO to HCO
Dial 7-1-1 or 1-800-648-6056
HCO users can contact other HCO users through Kentucky Relay. The relay operator will voice to both parties what is typed on each other's TTY.
For more information:
How HCO to HCO works