What's the phone number displayed in the domestic e-mail box for sending free short messages?

The phone number for sending free short messages displayed by E-mail in China is as follows: 1, telecom user: 1 18065+ user id (reply is permanent); 2. Mobile users: 10690335589+4-digit random code (valid within 24 hours), 1065752578 18+4-digit random code (valid within 24 hours),10657/kloc- 3. Unicom users: 10655057740+ user id (reply permanently), 106550574 18+ user id (reply permanently). For more service benefits, click on "official website" customer service 34 below to answer your questions.