Here are some helpful tips for applying for a passport: Fill out the application (DS11), before you come to the post office but don't sign it. Use our Form Filler to fill out your form and print it.For the best experience, use a desktop or laptop computer. Passport applications will be taken from am to pm only. The town clerk's office, at 655 Main Street in Islip, accepts completed passport applications from Monday through Friday, a.m. 1. Gather all your personal information 2. Assemble all your employer information 3. Application form DS-11: This form should be filled out but not signed until you submit it at the post office. Get Your US Passport in 3 Days.
