988 is the new three-digit dialing code that directs callers to the National Suicide Prevention Lifeline. When people call, text, or chat 988, they will be connected to trained counselors who will listen, provide support, and connect individuals to resources if necessary.
The previous Lifeline phone number (1-800-273-8255) will always remain available to people in emotional distress or suicidal crisis.
Original source can be found here.