These ppl called me doing the same. Should I be concerned or are they full of it?

Received a call from a Ms. Lopez at my work and my home numbers.  I can't make out what she is saying but something about she needs to speak to me or my attorney within the next 24 hours.  No other information was disclosed, but I definitely don't have any debt

This number caled me on my sis inlaws cell phone in another state, saying I have many claims against me in my city when I called it back it just rings.

They left message saying if I don't call back they will be serving court papers  to my job,not calling these fools back!

I received a voicemail message at my mom's house stating that they were calling to collect a debt and that if I didn't make arrangements they were going to serve me with paperwork for a civil proceeding.  The message was left by a Michael Conrad.  A message was also9 left on my cell.  My voicemai8l on my cell does not leave my name it just verifies the number.  I have called qand reported this to Lemberg and associates.  When I call the number to get more info I only got a busy signal

Called and threatened civil suit, and "serving" me at my work. Violated FDCPA when calling multiple times, and not disclosing the purpose of the call.

Fast talking debt collector threatening civil suit and "serving" me at work. We will see.

Calling saying they are taking me to small claims court and that I have missed my appearance the guy leaving the message is name is Mr. Gruber. I have not received any court papers and they are also calling my work.

calls several times a day.  Leaves no message.  When I did answer hang up.