As of 30 Sep 2017 the updated postcodes are here: 2017.09.30_Post Code Directory.xlsx (English) and 2017.09.30_Οδηγός Ταχυδρομικού Κώδικα.xlsx (Greek).
They do update it, so please check yourself the source from time to time: the new website of Ministry of Transport, Communications and Works / Department of Postal Services - aka Cyprus Post.
Hope it helps. Cheers!
Asfalemeso