1. a telephone service that provides information, advice, or support to people with a particular problem or need
Usage: typically staffed by trained counselors or volunteers; often free and available 24/7

Examples

• The suicide prevention helpline is available to anyone in crisis.
• She called the customer service helpline to report a problem with her order.
• Many organizations run helplines to support people dealing with addiction.
• The mental health helpline provides free counseling to teenagers.
• You can reach the domestic violence helpline at any time of day or night.
• The tech company's helpline helped him troubleshoot his computer issues.
• During the pandemic, many helplines saw a significant increase in calls.