A brief history of 9-1-1 First 9-1-1 call — February 18, 1968 1937: Great Britain institutes “9-9-9” as national emergency number1967: Johnson Commission recommends single nationwide emergency number1968: ATT selects “9-1-1”1976: First selective routing and Automatic Number Identifier (ANI)1980: First true Enhanced 9-1-1 (E911) with ANI and Automatic Location Identifiers (ALI)1984: County Communications E9-1-1 goes online with several cities creating the largest, most sophisticated system in the State2012: 97.5% of the U.S. population served by E911 services
