How can Zhengzhou mobile phone number accept short messages sent by Tianjin?

Zhengzhou mobile phone number will accept short messages sent by Tianjin through the network and mobile phone cards. Mobile phones are all netcom regardless of region. As long as the signal is normal, it can be received. Sometimes the other party will delay the reception and will eventually receive it. As long as you and the other party's mobile phone don't owe money, the signal can be received normally.