Have you registered the extender with your postpaid account yet?
I'm most definitely NOT a VZW employee. If a post answered your question, please mark it as the answer.
I am sorry to hear that you are having difficulties setting up that extender. We truly understand the importance of having that device active so that your indoor service is improved. Ann154 brings up a great point, if the extender has not been registered to the account it may not complete the activation. Were you able to complete that yet? What was the outcome? Also, for future reference, here is a link that will walk you through the set up in the event you have to complete this again http://vz.to/2oYWZ4U.
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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!!