Alternatively there are card phones of two types, Mobika (blue phones) and BTK (orange phones), with cards for each ranging in price from 4 to 25 leva. They can be bought at certain shops, kiosks or post offices.
Europe, America, Near East, Japan, Africa and Australia can be dialed directly. For those countries that cannot be dialed directly you must order the call by dialing 0123. For any other kind of international operator assistance dial 0123. (You can find our useful numbers for more information).
There is also a fax and e-mail service at 4, Gen. Gurko Str.
There are three Bulgarian mobile operators: M-tel, Globul and Vivatel.
M-tel and Vivatel are GSM operators providing digital cellular telecommunication services in Bulgaria.
GloBul is the trademark, under which Cosmo Bulgaria Mobile EAD offers telecommunication services in Bulgaria.
There is no problem for foreign nationals, staying or working for short or long term here in Bulgaria to become their clients, but still the best choice is to buy prepaid cards with no obligations - 'VIVATEL' for Vivatel, 'PRIMA' for M-Tel and 'B-CONNECT' for Globul .