GSO Shipping Tracking

Enter GSO Tracking number in following tracker system to track and trace your Golden State Overnight Package, Freight, Ground Shipping delivery status details online quickly. Web tracking helps you and the recipient to keep track of the delivery progress.

Enter your tracking number below, then click the “Track” button to check delivery status.

GSO Customer Service:

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

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