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Yes, but even easier to tell is to look at someone's ID card, which states where you are from - you have to show ID to do tons of stuff and there are spot checks too. Local building management knows where everyone is from (we have to register our addresses with the police) so Wuhan people who live in other cities may have a hard time getting to their own apartment as the building management sometimes won't let them in. A friend told me that cars with Hubei registration plates (there's a separate identifier for every province) are having a hard time driving in other provinces as no one will let them park or access private roads etc.
So there is a distinct Wuhan dialect/accent that marks them out when they travel?