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California Relay Service: Overview

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

When you connect with California Relay, a Communication Assistant (CA) will connect on the phone with you. Simply give the CA the number you wish to call and your call will be processed promptly, professionally and accurately.

For additional information, visit California Deaf and Disabled Telecommunications Program

How To Connect – Dial 711

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

There is no cost to place or receive calls through California Relay Service. If you make international calls or operator assisted calls, charges may apply. Please complete a Customer Profile so that we know your preferred carrier for these types of calls.

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:

News & Events

Contact Us

Through Hamilton Relay’s high quality professional outreach services, Outreach Coordinators work to ensure individuals within their state are aware of the variety of relay services available to them and understand how to use relay when making or receiving calls.

If you are not sure how relay services in your state work and would like to learn more, contact us!

If you know of an agency, business, school or individual who could benefit from training on how to use relay services, Outreach Coordinators are happy to help educate and provide training to them.

Contact your Outreach Coordinator today!

Martha V. Hernandez
Southern California Outreach Coordinator
Hometown:San Diego, CA
Martha V. Hernandez

Live Chat is available during the following hours:

Monday – Friday:
8:30 AM to 12:30 AM Eastern

Saturday, Sunday:
11:00 AM to 6:30 PM Eastern