The UN Universal Postal Union, established in 1874, is a United Nations program based in Berne, Switzerland. With 192 member countries, it serves as the primary platform for collaboration among postal sector entities. The UPU plays an advisory, mediating, and liaison role, ensuring a universal network of modern products and services. It sets international mail exchange rules, makes recommendations to boost mail, parcel, and financial services volumes, and enhances service quality for customers. The organization's website can be found here.