Postcode rule is a rule utilized to assign the products to specific area/states (to mark them as available for the delivery) using the zip/postal code and users will be able to check on front-end if the product delivery is available for a particular area or not. Magento 2 Delivery Availability Checker Extension allows to let you develop unlimited postcode rules.

Read this guide on How to Configure Delivery Availability in Magento 2 to setup this Magento 2 Delivery Availability Checker Extension.

Here are the few more resource to help you get most out of this Magento 2 Delivery Availability Checker Extension.

• How to Add Contactless(No-Contact) Delivery in Magento 2
• How to Add Delivery Date to Checkout Page in Magento 2
• How to Setup Cash on Delivery (COD) Payment Method in Magento 2