You need an appointment to get in, sometimes if it's really slow they might let you come inside. But that's pretty rare. I was able to get an appointment for the next day a week ago, just by checking back on the appointment tool, someone canceled i think and i was able to make an appointment for the next day instead of about a month ahead. Good luck
3rd Ave west and Harrison St. Small corner office on the north east side of the intersection. Appointments may be entirely necessary still.
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