Welcome to Chowhound! There are many existing posts on the Mid-Atlantic Board (where this post will be moved to) that will answer your question. If you look at the top right hand corner of this page you will see a "search" box. You can type in various terms such as "81" and you find these existing posts, such as:
No doubt others will see this and offer some new recs as well. I have enjoyed a small diner in downtown Strasbourg, VA called Hello Neighbor and recommend it.