How do i contact the financial aid office? Phone: Contact Applicant Services between 8:00 AM to 8:00 PM Eastern Time, Monday through Friday. They may be reached toll-free at 1-800-557-7394. Studentaid.gov provides in-depth information on federal student aid programs, applying for financial aid, and repaying student loans.What is the financial aid office number? The customer support phone number of Financial Aid is 1-800-433-3243 (Click phone number to call).What is the office of financial aid? Office of Financial Aid. The purpose of financial aid is to assist students in paying for their education. It is a need-based program, and eligibility is determined by completing the Free Application for Federal Student Aid (fafsa.ed.gov).How to apply for civilian financial aid? Apply for Financial Aid in 9 Steps