This WooCommerce plugin enables order restriction based on specific zip/post codes. You have to enter list of postcode in given area for which the order restriction works. When activated you will restrict selected gateways or billing address, shipping address and both address at checkout step based on specific zip/post codes.
There are a few requirements for this plugin to run.
The postcode based order restriction plugin has been tested with the current versions of WordPress, WooCommerce, the WordPress themes.