Wi-Fi Calling lets you talk and text from indoor locations where itâs hard even for a strong cellular signal to reach. Wi-Fi Calling can be used in the Domestic Coverage Area (U.S., Puerto Rico, and U.S. Virgin Islands) and from most international countries.
The U.S. Passport Card. This... is the U.S. Passport Card! This card can be used as an official I.D. in many countries abroad. However, it cannot be used for international travel by air. If you are going to travel to an international destination, you will still need to take your passport book with you.
US citizens traveling wholly within the USA do not need a passport. However, due to profiling and other check points in America, it is a very good idea to carry your passport because drivers licenses are more easily faked. All non citizens need their home nation passport. Charles Â· 3 years ago.