the 50th anniversary of the first 911 call established in1968 911 Origin and History established in 1968 History of 9-1-1 nena.org debuted in 1968. article article established as the emergency national dialing code in 1968 the first 911 call "9-1-1 Origin & History" nena.org the 50th anniversary of the first 911 call established in 1968 https://www.nena.org/?page=911overviewfacts established in 1968 96 percent https://www.nena.org/?page=911overviewfacts debuted in 1968. 9-1-1 Origin & History https://www.nena.org/?page=911overviewfacts 911 Origin and History The system was developed by AT&T in the late 1960s 9-1-1 was made the national emergency dialing code