I assume you mean at a coffee shop/ bar/ restaurant and not at home?
Need more info.
At home it's a private wireless network and away from home, a guest WIFI network.
What device are you using?
Define "doesn't work"
I apologize for the frustration. Our team is not able to access HotSpots. We do have a separate team that supports HotSpots, they can be reached at 1-888-851-9350.
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TWC-Social Media Customer Care
report this to the business owner, they may have cancelled TWC service or don't realize the hotspot is dead. It is a seperat modem and a Ruckus AP not connected in anyway to the businesses TWC internet network