What is my zip/postal code for my Avg subscription?

Hello Liam,
Thank you for contacting AVG community support.
Sorry for the inconvenience. To upgrade your trial subscription, please contact our sales support using the below link:
 https://support.avg.com/support_sales_chat?
Thank you.

Hello Liam,
Thank you for contacting AVG community support.
Sorry for the inconvenience. To upgrade your trial subscription, please contact our sales support using the below link:
 https://support.avg.com/support_sales_chat?
Thank you.

Hi, Im trying to do an AVG Internet security free trial 60 days but One problem,it says payment authorization failed after I clicked Agree and Purchase