Who called from 5122406846

Called today at 11:36am and yesterday at 9:30am. I forgot to block...
Other spam 512-240-xxxx numbers may be spoofs of other numbers.
Might be related to car warranty extensions...

Called my office asking for a person who is no longer here,  only gave first name at first then there was a  long pause when asked for the last name of the person whom they wanted to speak with.