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.
What is a US Passport Card? The US Passport Card is a fully valid passport. You can use this credit-card-sized document to reenter the United States from Mexico, Canada, Bermuda and the Caribbean when traveling by land or sea. It is smaller and more convenient to carry than a passport book, and it is less expensive to obtain.