Who called from 2136239999

Someone from this number called my cell phone saying he was with BCSolutions.  This number showed in caller ID.  I told him I was busy and he should call me back.  After they did not call, I called the number the next day and it is NOT A WORKING NUMBER.  Two days earlier, I had told caller from 2133256384 saying he was from Microsoft Technical  Support - "never, ever call my number again".  The sound quality of that call sounded like a BCSolutions caller.

Did not answer!  Will not answer! Left no message!

Keeps calling called me a [***] and to quit calling and still calls

Called at 7am!!!!  When I answered "who in the hell is calling me at 7 on a Saturday morning?" They hung up.  So mad I couldn't go back to sleep.

Another idiot from India claiming that my computer had security issues.  A (slightly) different phone number 213-217-9999 (Los Angeles) called me Thursday with the same offer.