Zip

Hi sir,
Thanks a lot for your plugin,
Please,
Your plugin will make the Zip that i added to the field Restrict, will make the people that have the same Zip that i added, can buy my products, otherwise there are no one can buy my products more. is that right? Please

and
How can i know the Zip of my Capital stad that I live on it ?

Best regards
A.J.

https://wordpress.org/plugins/postcode-based-order-restriction/