9-1-1 is a telephone number used in the United States and many other countries to reach emergency services. When someone dials this number, they are connected to a dispatcher who can send help from police, fire departments, or ambulance services. It is crucial for callers to provide their location and describe the emergency clearly. The 9-1-1 system was established to ensure quick access to emergency assistance. It is important to use this number only for genuine emergencies, as misuse can divert resources away from those in need. Many regions also offer text-to-911 services for individuals who cannot call.