Check Cash On Delivery Magento 2 extension provides the facility to check whether COD(Cash On Delivery) is available at a specific zipcode or not on product detail page. The most popular mode of payments for online web shops is Cash On Delivery because the customers do not like to pay anything before the products are in hand. Many small businesses prefer cash payments instead of credit card options. Sometimes few areas have facility of COD and few have not. So this extension is to Restrict/Check Cash On Delivery by zip codes.