You can block text messages from the web by signing into your MyVerizon account online and navigate to the Blocks section and add the appropriate block feature.
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.
AMANDAM17, we understand the importance of making sure you only receive the text messages that you want. Ann154, provided a great suggestion with being able to block these types of text messages directly from your my Verizon account. Here is a helpful link on steps to do so http://vz.to/2toNzkv please reference number 5. Does this information help clarify your concern?
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If my response answered your question please click the _Correct Answer_ button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!