Emergency service numbers are special phone numbers that people can call to get immediate help in urgent situations. These numbers connect callers to services like police, fire departments, and ambulances. In many countries, the most common emergency number is 911, while others may use 112 or 999. When someone dials an emergency service number, trained operators answer the call and assess the situation. They can send the appropriate help quickly, whether it’s a medical emergency, a fire, or a crime in progress. Knowing these numbers can save lives and ensure timely assistance during critical moments.