The Smart Zipcode Validator is very useful for all Shopify store owners, Zip-code validator is used to provide the customer an option to verify whether or not a product can be delivered in a specific locality. Once a customer arrives on the Product Details Page , below the product name section, there will be an input field provided to enter the zip code of the customer's location.#Allow purchase only if zipcode is available#Display zipcode checker form only zipcode applied products page