Contact Us

If you have further questions and would like to contact us after reviewing the DDTP website, please select one of the following:

DDTP Advisory Committee Members:
- TADDAC - Primary DDTP Administrative Committee, advising the Commission on matters related to the DDTP.
- CRSAC - Advises the CPUC and TADDAC on relay and speech-to-speech matters.
- EPAC - Advises the CPUC and TADDAC on specialized telecommunications equipment.
  To contact committee members by email, click here.
Relay (California Relay Service) Providers, including Speech To Speech (STS):
- GoAmerica
- Nordia
- Sprint
Equipment or CTAP Walk-in Service Centers
Equipment or CTAP Call Center
DDTP Consumer Affairs for consumer inquiries

Voice: (877) 546-7414
TTY: (800) 867-4323
Fax: (510) 271-8324

CCAF - The California Communications Access Foundation (CCAF) is the CPUC's primary contract administrator for the DDTP. They may be contacted at: [email protected]

If you have inquiries or comments you would like to make directly to the CPUC about this State Program, please indicate they relate to the DDTP and send them to:

[email protected]
You may also direct them to CPUC Telecommunications Division, 505 Van Ness Avenue, San Francisco CA 94102 Attn: DDTP; or
Fax them to 415-703-4405

See also the CPUC website for additional information on Public Programs, including the DDTP, Advisory Boards, and current surcharges.