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Antonio's Pizza by the Slice has operated on Wickenden Street since 1991, running a thin-crust slice shop where you order at the counter from a rotating display case. The menu balances classics—cheese, chicken bacon ranch—with creative options like tortellini, pesto, taco, and truffle-loaded tater tot pizza, which swept Providence Pizza Week 2024 in the categories of Most Delicious, Most Creative, and Most Instagrammable. The operation is built around speed: pick a slice, pay, and go. It's one location in a small regional chain across Massachusetts and Rhode Island, each shop with its own local rhythm.