Who is it?

I am getting constant calls from different numbers threatening that my husband owes them money. I tell them no he doesn't, They get arrogant and tell me to have him call them urgently. I tell them if they are a hoinest collector just send the info to my hubby, They then tell me to have my husband get an attorney. The most recent number is 305-760-4530. Anther number to look out for is 321-216-3820. What can be done to stop this?

Got a call from this number at work. Barely could understand them, but they were rude.  Wished me luck as my "situation unfolds on me"? Who are these people?