Golden State Overnight (GSO) Tracking

Enter Golden State Overnight (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 GLS-USA Package, Express Freight, Shipping Carrier.

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

Golden State Overnight (GSO) Customer Care:-

Contact Phone number: 1-800-322-5555
Corporate Office Address: GLS US, 4000 Executive Parkway, Suite 295, San Ramon, CA 94583
Email: customerservice@gls-us.com

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