Is the Tuniu tourist hotline a virtual number?

This is a virtual number. Virtual number refers to the telephone number without actual physical telephone line, which is a telephone service realized through the Internet or other communication networks. Tuniu Travel Hotline is a telephone number starting with 400, which is a virtual phone number, also called customer service hotline. It is a telephone number starting with "400", which is usually used for customer service, after-sales service, complaints and suggestions.