If you are in a crisis requiring immediate response:
Call 911, tell them you have a psychiatric emergency, and request a CIT police officer. (This is a Crisis Intervention Team officer with training specifically for helping during a mental health crisis.)
Go to the nearest Hospital Emergency Room.
If you are having thoughts about suicide and want to speak to someone:
Contact the National Suicide Hotline at 800-SUICIDE (800-784-2433), open 24/7