Baltimore was the first city in the nation to begin using 3-1-1 as a police only non-emergency number. It was initially designed to offload non-emergency calls from the 9-1-1 system to reduce delays in answering times. Within 2 months, 42% of the calls from 9-1-1 were effectively transferred onto the 3-1-1 system. Baltimore is currently changing the 3-1-1 police-only system into a total citywide one number system. This number will handle all non-emergency calls for all city agencies.
Dallas uses 3-1-1 as the means to contact all city agencies. The number is answered at the Fire Department Communications Center and call takers place service requests into a central database.
Chicago uses 3-1-1 as "one call to city hall" for all city services. The number is answered at a call center that is separate from the police or fire communication centers and processes all requests for city services.
San Jose, CA
San Jose uses the 3-1-1 number as a police non-emergency number only.
Detroit uses the 3-1-1 number for non-emergency police services.
Rochester uses the 3-1-1 number for all police non-emergency calls for service. As part of the process, Rochester has implemented a comprehensive differential police response model. Currently, it is the only city in New York using the number.
Washington uses the 3-1-1 number for all police non-emergency calls for service. The city is currently evaluating the feasibility of using the number for all city services.
Hampton uses 3-1-1 for all city services.
Houston has established the 3-1-1 number as a means to contact all city services.
Birmingham is in the process of implementing a 3-1-1 system for all city services.
Orange County, FL
Orange County has received U.S. Department of Justice grant funds to establish a 3-1-1 system for all county services.
Miami is currently implementing a 3-1-1 system for all city services.
Los Angeles, CA
Los Angeles is currently implementing a 3-1-1 system for all city services.
Austin has implemented a 3-1-1 system that will process all city service requests.
Framingham plans to implement a 3-1-1 system that will process all city services.
Cambridge will be implementing a city services 3-1-1 system.
Newport News, VA
Newport News is considering a 3-1-1 system for all city services.
Charlotte is considering a 3-1-1 system for all city services with expansion to all services provided by Charlotte and Mecklenburg County.
Dukes County is currently implementing a 3-1-1 system for all services provided by the various towns in the county.
New York, NY
New York is will be implementing a 3-1-1 system for all city services.