Hi @ellerish20, @kgosi, @gmustafa, @damonh,
I found “Woo add custom states” plugin which solves the problem, because it takes care of showing the regions everywhere, and can be enabled or disabled anytime. I tested the plugin in the current woocommerce last version and works perfectly.
You can find the plugin directly if you search it inside plugins section, but the site is https://www.ads-software.com/plugins/woo-add-custom-states/#installation