1. Find a courier: If you have a courier list or a courier number, you can directly check the relevant information on the courier company's official website or APP, including the contact information of the courier.
2. Contact the courier company: You can call the customer service hotline of the courier company, tell them your situation and provide relevant information, such as the order number and the name and address of the recipient. They will help you contact the courier and provide contact information.
3. Ask the sender or the recipient: If you are the recipient, you can ask the sender if he remembers the contact information of the courier; If you are the sender, you can ask whether the recipient has received the courier and get the contact information of the courier.
4. Social media or online forums: On some social media platforms or online forums, you can post relevant information and ask other users for help. Maybe someone can help you find the right contact information.
Please note that when trying to get the contact information in any way, please be patient and polite, and provide enough vouchers to prove your identity and express your information.