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.
You can also lodge a telephone complaint while you are in Australia by ringing the Australian Consumer Affairs and Fair Trading Hotline 1300 552 263 (local call cost within Australia). The call will be automatically forwarded to the fair trading agency in the state or territory from which you are calling.