Eastern Orthodox Chrisitianity is considered to be the traditional religion in Bulgaria. Plugs are 2-pin. Calls from some parts of the country must be placed through the international operator. There are many public telephones in the main towns. There are Internet caf s and centres in Sofia and Plovdiv.
International services are available.
The General Post Office in Sofia, at 4 Gurko Street, is open 24 hours. Post office opening hours are usually 0830-1730 Monday to Friday. Airmail to Western Europe takes from four days to two weeks. Both of these are published weekly and are available in print or internet versions. From time to time these change.