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Syosset Post Office in Syosset, NY

Find Syosset Post Office in Syosset, NY 11791 to get information on mail-related services, postal services, postal items and payment, parcel shipment, and mail and parcel delivery.

  • Syosset Post Office
  • 40 Queens Street, Syosset, NY 11791
  • 516-921-0746
  • Mon-Fri 7:30 AM-5:00 PM
    Sat 7:30 AM-12:00 PM

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