The Harmonized Index of Consumer Prices category "Communications (08)" is a classification of services.
The category, Communications (07), contains Postal Services (08.1), and Telephone and Telefax Equipment (08.2), and Telephone and Telefax Services (08.3) categories and all subcategories therein.
Information provided in the notes pertaining to HICP classifications can be found from the source at: http://ec.europa.eu/eurostat/ramon/nomenclatures/index.cfm?TargetUrl=ACT_OTH_CLS_DLD&StrNom=HICP_2000&StrFormat=HTML&StrLanguageCode=EN&IntKey=22470387.
Copyright, European Union, 1995-2014, http://epp.eurostat.ec.europa.eu/portal/page/portal/about_eurostat/policies/copyright_licence_policy.
Statistical Office of the European Communities, Harmonized Index of Consumer Prices: Communications for Greece© [CP0800GRM086NEST], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/CP0800GRM086NEST/, October 10, 2015.