The number "311" is a non-emergency telephone service used in many cities across the United States and Canada. It allows residents to report issues such as potholes, graffiti, or noise complaints without needing to call emergency services. This service helps streamline communication between the public and local government agencies, ensuring that community concerns are addressed efficiently. In addition to reporting issues, 311 services often provide information about city services, events, and resources. Many cities have also developed mobile apps and websites to complement the phone service, making it easier for residents to access information and submit requests online.