Most applicants who are age 1617 must apply in person using Form DS11. Passports for applicants 16 and older are valid for 10 years.For detailed instructions on how to apply, please see Applicants Age 16 and 17. Top 10 Best Passport Office Near Fairfax, Virginia ; 1. Application form DS-11: This form should be filled out but not signed until you submit it at the post office. Note: APPOINTMENTS REQUIRED - (703)591-0458. Once you place your expedited passport order, you will be guided through our online smart form to complete your application. Parents can obtain ID cards for their children under age 15 at any DMV customer service center.