National Passport Information Center. Phone Number . Services.Primary Application Forms for a U.S. Passport ; 1. Application For A U.S. Passport (DS-11) ; 2. Check Application Status: Visit passportstatus.state. Gov 14 business days after you apply. Fill Out Form DS-11 Online. Application form DS-11: This form must be filled out but not signed until you submit it at the post office. We suggest filling out your application ahead of time, but you can also obtain blank DS-11 forms at the Passport Acceptance Facility. IMPORTANT: If an applicant makes an error they MUST complete a new DS-11 form.