Great question — answering as the UphillTech team:
You haven't stated so, but I'll suppose you are an Indian citizen. First, if you are a US permanent resident (you have a green card), you don't need a transit visa, your passport and green card are enough. Otherwise, to get your transit visa, you'll have to submit biometrics, and while there is no VAC in Arizona, you can use a USCIS ASC, there are 3 in Arizona: Tucson, Yuma and Phoenix. Earliest appointments are on January 16th in all 3 locations though. The whole process is detailed here , but in short: Apply for the transit visa online Apply for the biometrics Book an appointment at the most convenient ASC Go there to submit your biometrics, with a photo and your passport There may be...
Full answer by jcaron: https://travel.stackexchange.com/a/192871 (CC BY-SA 4.0).
Need it done for your business? UphillTech.
