Until a custody order is rendered, he has no rights to the child and no rights to prevent your move. You cannot be expected to sit around, putting your life on hold in anticipation that he may try to get visitation rights.
If, however, he has instituted proceedings it is advisable that you notify him and his attorney of your move.
Information provided in this response is intended to be informational or educational only. It in no way establishes an attorney-client relationship. Because every case is factually dependent, it is not possible to accurately answer each question posed. If you have sincere legal concerns, it is highly recommended that you seek legal counsel in your area. Any response is not intended to create, nor does it create, a continuing duty to respond.