Site: USPS Informed DeliveryInformed delivery stopped working yesterday. I have had it for a few years. Now it says my address not valid and informed delivery not available for my zip code. Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted awfdZ2 Enter the code above * Enter the code without spaces. Leave this field blank
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