Where you reside can affect whether or not the Court has jurisdiction over your case as discussed in a previous post: Where you get Divorced matters! - British woman loses rights to £1.2 Million Pension . Assuming that Massachusetts has jurisdiction, you still need to disclose your address pursuant to Massachusetts Domestic Relations Procedure Rule 11 which states in pertinent part: "A party who is not represented by an attorney shall sign his pleadings and state his address, telephone number, and e-mail address if any." The Court needs to know your address so that the Judge can verify that jurisdiction is proper and in the event the court needs to send you Notice of any hearings or other matters. Likewise the opposing party needs your address in order to send you proper notice of pleadings pursuant to Massachusetts Domestic Relations Procedure Rule 5(b) and a P.O. Box is not considered sufficient. It is possible to withhold your address from a party to a divorce case i...