Why can't I respond to a text that came from a short code number?

[bclary]

Why can't I respond to a text that came from a short code number??

[Ledsteplin]

Probably because they don't want you to. A lot of email is like that.

[Snn5 · Accepted solution]

Some short codes only respond to key words like STOP or HELP.  Sometimes there are restrictions placed on a line by an account owner to block some short code or premium SMS messages.