I tried calling them but the phone number I used last time just rings once and the operator tells me to

hang up and redial, I figured they are all working at home since so many places are closed.  Did not realize that everybody are volunteers. Sorry I came on to strong but I am really frustrated. I have one 1040 that I filed an extension for that needs to be filed but I am unable to do so and have been trying for a week now.  I guess I will just give up for now and try again next week or so. 

My apologies.