You Can't Make Passport Renewal Appointments. 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. The usual waiting time to get your passport is 4 to 6 weeks when submitting from the FAIRFAX MAIN OFFICE USPS. Step One: Confirm you meet the requirements. Step Two: Fill out your form and print it. Use this site to find the nearest acceptance facility where you can submit your U.S. passport application. Top 10 Best Passport Office Near Fairfax, Virginia ; 1. If you need assistance with the application, you can schedule an appointment with USPS (we went to the one on Pickett Road in Fairfax). Passport Application Forms.