Primary Application Forms for a U.S. Passport ; 1. Application For A U.S. Passport (DS-11) ; 2.Application form DS-11: This form must be filled out but not signed until you submit it at the post office. Where can I apply for a passport? You may visit the Bexar County District Clerk's Passport Service Center to submit your passport application. View more about the Bexar County Passport Center here. We suggest filling out your application ahead of time, but you can also obtain blank DS-11 forms at the Passport Acceptance Facility. DS-11. Application for a New Passport.