For international students aiming to apply for universities in the United States, the first line of the address on their TOEFL application is crucial. This line typically includes the street address or P.O. box number, followed by the apartment or suite number if applicable. It is essential to ensure that this information is accurate and up-to-date to avoid any delays in the application process. Universities rely on this information to correspond with applicants and to send important documents such as admission letters and financial aid information. Therefore, students should double-check their address details before submitting their TOEFL application to ensure smooth communication throughout the application and admission process.