Is there a charge for Unicom to send a text message to 100 10?

Unicom users send short messages to 100 10 without charge.

Tariff standard for users to make and answer customer service calls:

1) Direct dial: China Unicom users use China Unicom mobile phone and China Unicom fixed phone to call China Unicom customer service phone 100 10 in China (excluding Hong Kong, Macao and Taiwan) to avoid communication charges.

2) Dialing for domestic roaming users: Unicom users need to dial 100 10 outside their hometown and roaming area when roaming in China, and dialing is free.

3) Call other numbers: use China Unicom IP phone and various telephone services with access codes to call China Unicom customer service phone 100 10, and charge according to the corresponding service tariff standards and charging methods.

4) Calling of visiting users: International and visiting users roaming to China Unicom network can call domestic (excluding Hong Kong, Macao and Taiwan) Unicom customer service number 100 10 free of communication charges.

5) Other circumstances: In other circumstances, China Unicom users call or answer the customer service telephone number of China Unicom 100 10, and charge according to the tariff standard and charging method corresponding to normal calls.

6) Answer: At home (excluding Hong Kong, Macao and Taiwan), China Unicom users use China Unicom's mobile phone and China Unicom's fixed telephone to answer China Unicom's customer service phone 100 10 free of communication charges.