I get a red triangle when i text certain numbers

[Android Central Question]

When i text number codes not phone numbers i cant send ir respond

 

[B. Diddy]

Welcome to Android Central! Are you talking about Premium SMS (i.e., 5 or 6 digit codes to interact with a company)? Go to your Messaging app's options and make sure Premium SMS is turned on. Or you might have to talk to your carrier to enable it.