For information about FedEx SmartPost Returns, or to get started using this service, contact your FedEx account executive, or call 1-800-GoFedEx (1-800-463-3339).
FedEx will work directly with you to:
- Review and sign a contract for service.
- Review your operation and develop a rollout plan.
- Establish a U.S. Postal Service® (USPS) Mailer ID.
- Work with you and the USPS to obtain USPS Label Certification.
Reference: https://www.fedex.com/us/smart-post/returns.html