Sometimes you will find in your WooCommerce online store that you need to display a custom message to customers who select a certain country, either to tell them delivery times above normal, special conditions, discounts or whatever you need or can think of.
If this is your need you can easily get it with a code like this one:
What you get when the customer selects the country code at checkout is a message like this…
Where do I put Mr. code?
As it is going to be an independent code of the theme you use, ideally you should create a plugin with the code or add it to your customizations plugin.
But you can also add it to the end of the functions.php file of the active (child) theme.
What can be customized about Mr. code?
In the code you can change the text that will be shown for the one you need, as well as the country, changing the country code. In this link you have all the IBAN codes for each country.