Receiving unwanted text messages on a Boost Mobile phone can be a real problem because the company charges for text messages whether you read them or not. If you are getting text messages from a specific number, you can block the messages by sending a special text message to the number "9999."
Step 1
Open the text messaging editor on your phone. It's usually on the main menu of the phone under "Text Messages" or "SMS."
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Step 2
Create a new text message, and set the recipient as "9999."
Step 3
Type the word "block" in the body of the message, followed by a space and the 10-digit number of the phone you want to keep from texting you.
Step 4
Send the message.
Step 5
Wait for a confirmation text message from Boost Mobile letting you know the block was successful.
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