If you have been or are currently being harrassed or experience abuse resulting from a Craigs List posting or from meeting someone on the list, please contact SWOP-USA at (877) PRO-2004.
Also check out DangerZone411.
However, if you believe you are in immediate danger, contact your local law enforcement immediately.
What to do if you have been assualted.
List of Rape Crisis Numbers by County
Bay
Area Women Against Rape (BAWAR)
Provides
free in-person counseling to survivors of sexual assault and their
significant others. Also offers accompaniment to police, court and
hospital, a 24-hour hotline, support groups, and community education.
Oakland PD Special Victims Unit
San Francisco PD Sexual Assault Resource page