Yes and no.  Some states allow for divorce without notice only upon showing that the party attempted to give their spouse notice several different ways, but those attempts failed.  If your spouse knows where you are and they failed to serve you, then most states allow you to overturn the divorce because of the lack of notice.  You should contact a local family law attorney and see what your state law says about vacating a family law judgment for defiency of service. Best of luck.