If you’ve got an Android phone, the simplest way to block a number is straight from the Phone or Messages app. Tap the number, select “Block,” and that’s it. For more control, go to: Phone app > ...

From details, you should find a button to "block and report spam" Report messages: You can protect yourself from spammers by forwarding the text to 7726 (SPAM).

Spam texts are the new spam calls. For the second year in a row, those annoying messages have outnumbered spam calls CHICAGO -- The text message is clear: Scammers want to steal from you in a new way.