postalsystem
The postal system is a service responsible for the transportation and delivery of mail, which includes letters, postcards, and parcels. Historically, these services evolved from informal messenger networks to highly organized national and international institutions. The modern postal system typically relies on a network of post offices for the collection and distribution of mail, with dedicated vehicles and personnel for transportation.
Key functions of a postal system include collection, sorting, transportation, and delivery. Mail is collected from
Many countries have a designated national postal operator, often a government-owned or formerly government-owned entity, which