There is no walk-in service for United States citizens who require a service related to passports, citizenship, or birth registration. These services are by appointment only.
Passport services are not available on weekends or on Sarajevo or U.S. holidays.
If you already know the form you need to apply, visit the Find the Form You Need section to learn more about completing and submitting the form. If you are unsure which form is needed in your situation, the Passport Wizard can guide you to the correct form.