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AT&T Wireless

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This AT&T Wireless corporate office is not a retail outlet for cell phones but can assist with any inquiries regarding an existing AT&T account or starting a new account. 
50 Underhill Blvd, Syosset, NY 11791
(516) 921-8750
  • Accessibility Details: The floor is level and the entrance is level with the sidewalk.
  • Hours: Mon - Fri, 9am - 6pm
  • Hours: Wed - Fri, 9:30am - 7pm; Sat, 9am - 4pm; Sun, Mon, Tue, closed
  • Accessible: yes
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