No you dont have to but, i would say it would make it easier on the wait staff and fàster for you to br seated if you called s head of time.
The answer above/below fits the question. Give them a heads up your coming
I don't think they take reservations but I would call them to ask.
It would make it easier on the staff. Beware, I killed a roach in there the other day last week.
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