Validation Of Checkout Pincode or Zipcode Field in Woocommerce

You can limit the zip code field digits to validate it properly. If in your country zip code is of minimum 4, 5, or 6 digits then you can use woocommerce checkout process function add_action code to validate it for correct zip code entry by your customers. Let’s have a look. Here is my code, Add below code at the end of your theme’s functions.php file of your active child...