Who called from 2136404981

Rang Once on cell phone.  No msg left.

phone rang 2X, no chance to answer. no message. must be the above mentioned

Same as above, hung up after two rings

Just got a call from this number -- run a few times and then call ended -- I never pickup unknown numbers, but usually it'll go to VM -- not this one

just an annouyance

Got a call from this number at 11:27 AM, rang for about 1.5 seconds and left no message.  Showing up as from Los Angeles, CA.  I do not know anyone from LA nor any outstanding business relationship with any organization there.