Didn't recognize the number so let the answering machine pick it up. No message left.

Company is called Harbor Filing Services. They will call from this number pretending you have or are about to be served and they have a sealed letter with your name in front of it. It is, of course, a complete lie and scam. They will give you another number to call and pretend to be a litigation department but let me make this clear- no matter what garbage they pull they are a collection agency trying to get money on ancient out of stat debts they can do nothing about but will pretend like you are being sued which of course is a violation of the FDCPA. I highly suggest you block them or tell them to F off because no matter their threats they can and will do nothing.