It would depend on which country you are referring to.
Sir Rowland Hill invented the first postal service
Postal services have been in existance for many centuries. The Romans would send messengers long distances. The Incas had a systerm of runners to deliver messeges.
july 31 1995
1962
speed postal service
The Royal Mail Service is a postal service in the United Kingdom. The Royal Mail Service was established in the year 1516.
United States Postal Service
Indian Postal Service was created in 1764.
United States Postal Service and UPS
Postal service
How do you become a contractor for the US postal service?
The United States Postal Service is abbreviated USPS.