CTT is an abbreviation for its former name Correios, Telegrafos e Telefones. History of Postal Services of Portugal can date back to 1520, which was named Public Post Office by King Manuel I. Since then, it had served Portuguese for centuries despite name and logo changes for a couple of times.
CTT Portugal has a great impact in Portugal thus a sense of mission aroses and CTT is keen to provide beter and better communications and logistics services.