Hamilton Relay provides telecommunications relay services for the state of Massachusetts including TTY, Voice Carry Over (VCO), Hearing Carry Over (HCO), Speech-to-Speech (STS), Spanish and CapTel®.

When you connect with MassRelay, a Relay Operator (OPR) will connect on the phone with you. Simply give the OPR the number you wish to call and your call will be processed promptly, professionally and accurately.

How To Connect – Dial 711

Dial 711 to use Hamilton Relay in Massachusetts or call one of the toll-free numbers below:

TTY:800-439-2370
Voice:800-439-0183
VCO (Voice Carry Over):866-887-6619
Speech-to-Speech:866-645-9870
Spanish:866-930-9252 (includes Spanish-to-Spanish and translation from English to Spanish)

If you are traveling out of State or you are in a State that is not served by Hamilton Relay, you can place interstate calls by calling:

Voice: 800-833-7833 (toll-free)

TTY: 800-833-5833 (toll-free)