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/cache/metadata/en/prc_hicp_esms.htm.
Copyright, European Union, 1995-2016, http://ec.europa.eu/geninfo/legal_notices_en.htm#copyright.
Eurostat, Harmonized Index of Consumer Prices: Communications for Bulgaria [CP0800BGM086NEST], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CP0800BGM086NEST, February 28, 2021.