They called said they are pressing charges against me and that I was now served but they need my address and employers number. They also called my ex husband and his brother picking for information.

Some guy named Nick and he claims to be a process server.   He's looking for some guy named Rick or his wife Rita.  He won't take your word that you're not Rick, or know his whereabouts.

Some guy named Nick and he claims to be a process server.   He's looking for some guy named Rick or his wife Rita.  He won't take your word that you're not Rick, or know his whereabouts.