Numbers with this prefix were first introduced in 1994.While 2139723686 was originally issued with the info above, the owner of the phone number (213) 972-3686 may have transferred it through a process called porting.
Caller name: ? None Known?
Caller type: Fax
When I googled the number I read a large number of comments, all relating that it was a scammer looking for a live number.