An echocardiogram (also called an echo) is a type of ultrasound test that uses high-pitched sound waves that are sent through a device called a transducer.
Follow the above dialing format while making a call From Australia to United States. 1  0011 - Exit code for Australia, and is needed for making any international call from Australia. 2  1 - ISD Code or Country Code of United States. 3  Area code-There are 291 area codes in United States.
Calling Home. Whether dialing from a mobile phone or landline, this is how to call the US or Canada from Europe: 1  Dial 00, Europe's international access code, or enter + from any mobile phone. 2  Dial 1, the country code for the US and Canada. 3  Dial the phone number, including area code.alling Home. Whether dialing from a mobile phone or landline, this is how to call the US or Canada from Europe: 1  Dial 00, Europe's international access code, or enter + from any mobile phone. 2  Dial 1, the country code for the US and Canada. 3  Dial the phone number, including area code.