Buenos Aires has many public telephone booths. Public phones operate with 5, 10, 25, 50-cent or 1-peso coins.
Phone cards may be bought at any kiosco (small street shops located basically around every corner). The phone cards support urban, national and international calls.
In addition to public phones, there are many communications centers (locutorios and telecentros) offering telephone, fax and internet services.
For international calls, dial: 00 + country code + area code + local number.The country code for Argentina is 54, and the area code for Buenos Aires is 11. For example, to call to 4555-5555 from outside the country, you should dial: 54-11-4555-5555.