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A Brief History of 9-1-1

Published on: 2/13/2013 4:16 PM
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First 9-1-1 Call

February 18, 1968 

 

 

 

 
  

 


 

• 1937:  Great Britain institutes “9-9-9” as national

               emergency number


• 1967:  Johnson Commission recommends single

              nationwide emergency number


• 1968:  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 State


• 2012:  97.5% of the U.S. population served by E911

              services