Magento 2 Delivery Availability Checker Extension lets you set various messages for availability of shipping and COD services.

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