Block Fraud Customers By State
With this plugin, Store owner can add multiple blacklisted billing address states. So blacklist customers can not place an order with the blacklisted billing address state in your shop.
Bulk upload blacklisted state: With this option, you can upload bulk a state by demo format xlsx file here.
Custom error messages for blacklisted billing address state
With this setting, you can add custom blacklist state(billing address) error message which you want to show the user when blacklist billing address state found.