An Angry Spanish Caller

Today at 4:46pm, someone with this phone number (630-456-4232) called my cell phone.  It was a female speaking Spanish and she sounded angry.  Her number did not show up in the display window of my phone but it did show up in the view received calls screen.  I wonder if this has anything to do with the maintenance man who tried to come into my apartment on 11-13-12.