GSO Shipping Tracking

Enter GSO Tracking number to retrieve your up-to-the-minute shipment tracking details online. It is easier and a better way of knowing the status your Golden State Overnight Package, Freight, Ground Shipping.

Please Enter Tracking number below and click “TRACK” button.

GSO Customer Care:-

Contact Phone number: 800-322-5555
Corporate Office Address: GLS USA (Golden State Overnight), 4000 Executive Parkway, Suite 295, San Ramon, CA 94583
Email: customerservice@gls-us.com
FAX (Facsimile): 916-636-5101

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