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    Use the California Relay Service (CRS)


    Boy Making A CAll  Relay Operators  Grandmother receiving the phone call! 

    People who are deaf, hard of hearing or speech disabled 

     Choice of Relay Provider 

    User of standard telephone 


     If you have limitations seeing, hearing, speaking, remembering, or moving, specially-trained Communications Assistant (CA) can relay telephone conversations for all of your calls.


    Dial 711 Dial 711 to reach the California Relay Service (CRS). Dialing 711 is for everyone, not just those who have difficulty hearing on a standard telephone. Friends, family, and business contacts can dial 711 for relay calls, too.

    If you prefer having your calls immediately answered in your mode of communication but don’t have a preferred provider, dial one of the toll free modality and language-specific numbers below. The call will be routed to one of the CRS providers.



    Type of Call 


    Toll-free 800 Number 

    TTY/VCO/HCO to Voice





    Voice to TTY/VCO/HCO





    From or to Speech-to- Speech

    English & Spanish


    CRS provides a variety of modalities: Modalities are the type of service used based on the communication needs of the call parties.

    Federal regulations specify very strict confidentiality requirements for CAs of all relay services. No part of the conversation that takes place between callers is revealed or recorded in written, verbal, or any other form. CRS CAs do not participate in the conversation and acquire no benefit from information relayed.


  • Quick Links:


    • How to Make a Relay Call: Read a step-by-step guide about how to use the California Relay Service (CRS). A relay call can be made either from or to a TTY including Voice Carry Over (VCO) and Hearing Carry Over (HCO), computer, Web cam, or video phone.
    • California Relay Service (CRS) Providers: In California, relay service is provided through AT&T Relay and Hamilton Relay. All CRS users, including people who use Speech- to-Speech (STS), can choose which provider to use to make a relay call. The CRS Provider page gives more information and customer service numbers.
    • How to Customize Your California Relay Service (CRS) Calls: Dial 711. Your call will be automatically routed to a CRS provider. Providers will answer your call in English as a voice call. When appropriate, the call will be automatically switched to the appropriate modality and language. There are two ways to make your calls more efficient. Find out how.
    • Speech-to-Speech (STS) Relay Service: The California STS Relay Service enables people who have a speech disability to communicate with other people by telephone. Specially-trained STS Communications Assistants (CAs) re-voice your conversation to the person you are calling. STS users may be using their own voices or Speech Generating Devices. Get the full story.
    • Visually Assisted Speech-to-Speech (VA STS): The California Relay Service (CRS) is offering a new service that can enhance the relay experience of individuals with a speech disability: Visually Assisted Speech-to-Speech (VA STS). 
    • Captioned Telephone Service(CapTel®): The CapTel telephone looks and works like an amplified telephone, with one important addition: everything your caller says is displayed in text, word-for-word, while you are listening. Find out how you can receive a CapTel phone.
    • California Relay Service (CRS) Frequently Asked Questions (FAQs):  As a consumer, you may have questions about CRS and the services available to you. To learn more about CRS, please review the CRS FAQs.