Hello,
Thank you for contacting us and sorry for any inconvenience that might have been caused due to that.
Could you please share a product page URL with us so that we can check this further for you?
Meanwhile, please try change the country code in WP Dashboard > Rank Math > Titles & Meta > Local SEO > Address field and see if that works for you:

Let us know how it goes. Looking forward to helping you.
Hi Rakibuzzaman Siam, it worked, thank you!
Hello,
We are super happy that this resolved your issue. If you have any other questions in the future, know that we are here to help you.
If you don’t mind me asking, could you please leave us a review (if you haven’t already) on https://wordpress.org/support/plugin/seo-by-rank-math/reviews/#new-post about your overall experience with Rank Math? We appreciate your time and patience.
If you do have another question in the future, please feel free to create a new forum topic, and it will be our pleasure to assist you again.
Thank you.