• Current News

    • Thanksgiving Holiday: Thursday and Friday, November 27 to 28, 2014

      The DDTP Administrative Office, CTAP Service Centers, and Contact Center will be closed Thursday November 27 and Friday November 28, 2014 in observance of the Thanksgiving Holiday and will resume normal business hours on Monday December 1, 2014. 



      May 2014


      Dear Business Customer:


      To accommodate the demand for telephone numbers, the 628 area code is being added to the area served by the 415 area code. The 415 area code generally covers the County of San Francisco, most of Marin County and a small portion of San Mateo County, serving the communities of Belvedere, Brisbane, Corte Madera, Daly City, Fairfax, Ignacio, Inverness, Larkspur, Mill Valley, Nicasio, Novato, Point Reyes, Ross, San Anselmo, San Francisco, San Rafael, Sausalito, Stinson Beach and Tiburon. This is known as an area code overlay.


    • Happy 24th Anniversary!


        In honor of the July 26, 1990 signing of the Americans with Disabilities Act (ADA), we invite you to learn more about the ADA by clicking here:  

    • New information about STS

      Good news for people who do not use the phone because others have difficulty understanding your speech.

    • CRS Contract extension with both providers


      AT&T Relay and Hamilton Relay’s CRS contracts have been extended to June 1, 2015.

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