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            Call us at 713-207-7777 or 1-866-222-7100, and provide the call center agent your mobile number. You will be sent a welcome message via text message on your mobile device, and you will begin receiving text messages. You can also opt-in through your online account. Once logged in, go to "My Account" and then "Profile." Choose "Account & contact preferences" and select which messages you want to receive.  
 
 
     
     
     
        
    