The Gympie Post Office was erected between 1878 and 1880 and is a substantial two-storeyed masonry structure. On 14 November 1975, a new post office opened on Mary Street and the old one closed and purchased by Telecom.
1970
Gympie became a First Day of Issue postmarker office on 11 Feburary 1970.
1978
1979
Gympie became a Limited Philatelic Sales Centre on 2 April 1979.