Never received verification letter from nj state of taxation. What if they have wrong address or mailed to different address? How do i find out if im waiting for letter or its just taking very long to receive return. It was accepted Jan 28 it is now March

Never received verification letter from nj state of taxation. What if they have wrong address or mailed to different address? How do i find out if im waiting for letter or its just taking very long to receive return. It was accepted Jan 28 it is now March