What if SF doesn't answer the phone?

Call back immediately and contact SF Customer Service.

1. If you miss SF's call, call back immediately. In most cases, SF will try to contact again in a short time.

2. If you can't get in touch with the courier by dialing back, you can call the official customer service number of SF Express. Explaining this situation to customer service personnel usually helps to reschedule the delivery time or provide further information.