Why was my biometrics appointment scheduled at a specific location? The field office and Application Support Center (ASC) — where biometrics measurements are taken — have specific "jurisdictions," which are dictated by the applicant's residential zip code. Related articles What happens if something comes up in my medical exam and I need to reschedule my interview? If I took the foreign income tax credit, do I still qualify as a sponsor? What type of evidence can I submit for domicile? How do I know if I'm eligible for citizenship if I'm in the military? What does it mean that my case is ready to be scheduled for an interview?