Site oficial: http://guypost.gy/
The first postal service was established in British Guiana by France in 1782. On 1783 'Adrian Loncq was appointed the first Post Master for Demerara. On August 11, 1952, His Excellency the Governor Sir Charles Wooley on invitation of the Post Master General K.I.R. Kirkpatrick declared open the newly built General Post Office and Telecommunications Centre at its present location. On April 1st 1877, British Guiana entered the Postal Union. The Post Office, formerly part of the traditional Public Service became a Public Corporation on the 1st January 1977. It has a spread of over sixty (60) main Post Offices and several Postal Agencies throughout the length and breadth of the country.