Caller ID said Auburn WA. no message.

Caller ID said "Austin Zambrano", but left no message.

this person called asking for my mom didn't respond called again but said nothing

The caller ID said "Austin Zambrano".  If you answer the phone, she asks for you by name.  It was a women with a heavy Indian accent.  She said they were a duct cleaning company, but I couldn't understand what she was saying the company name was.  (I asked several times.)  I just told her we already have an appointment to get our ducts cleaned...lol.  She hung up.  [scam]

Called and asked for my son.  Said he doesn't live here.  She asked if I was related.  I asked her what this was about and I couldn't understand what she was saying.  Hung up. Phone id said Austin Zambrano.