主要电话号码 · 免费 · Mon-Fri 9am-5pm EST · Don't press anything, just hold on the line for a representative. · Thank you for calling Lifeline, the number one medical alert service trusted by healthcare professionals across the country. If you're an existing subscriber of Lifeline and want to be connected to a customer service representative, please press 1. If your healthcare plan includes Lifeline services as a benefit and you want to enroll in services or have any questions regarding your existing Lifeline services provided by your plan, press 2. To order Lifeline, please press 3. If you're a program manager or installer and want to be connected to a Program Services representative, please press 4. All other calls, please remain on the line. Then you will be connected to the next available representative.