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.
Ask your travel agent when you make the reservation and/or get your ticket. W rldwide Web Check in for American Airlines. check-in available from 24hours prior departure. If web check in is being done you don't have to waste your time at the airport.