Post Offices Near Me in Newburgh, Ontario Post Offices Near Me in Newburgh, Ontario Home / Ontario / Newburgh / Post Offices Post Offices Canada Post 31 Homer St, Newburgh, ONK0K 2S0, Newburgh, Ontario 800-267-1177 Post Offices Canada Post 31 Homer St, Newburgh, ON K0K 2S0, Newburgh, Ontario 800-267-1177 Categories of companies in Newburgh Bakers - Retail Bakery Child Care & Day Care Services Concrete Contractors Convenience & Variety Stores Excavating Contractors Libraries - Public Medical Clinics Pastry Shop Pharmacy Post Offices