Post Offices in Belmar, New Jersey, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Belmar Post Office No Reviews Favorite Fax: (732) 681-1053Phone: (732) 681-0961Retail Hours Wall Post Office No Reviews Favorite Phone: (732) 681-6267Retail Hours