The COSMOTE A world of unlimited possibilities for you brand, founded in 2007 (Greece), from 53 sister brands and 3453 competing brands. COSMOTE A world of unlimited possibilities for you is a brand of HELLENIC TELECOMMUNICATIONS ORGANIZATION, listed on the stock exchange of Etats-Unis. The International Securities Identification Number (ISIN) of HELLENIC TELECOMMUNICATIONS ORGANIZATION is GRS260333000. COSMOTE A world of unlimited possibilities for you belongs to the Telecommunication Services business sector.