Post Offices in Mount Airy, North Carolina, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Mount Airy Post Office No Reviews Favorite Fax: (336) 789-5623Phone: (336) 786-2805Retail Hours Mount Airy Annex Post Office No Reviews Favorite Fax: (336) 786-1205Phone: (336) 786-8558Retail Hours