Firefox's Default Address excludes useable informaiton
Visa offers a nice option of 'Click to Pay' if each Visa credit card number is added to its website. Customer benefit is the user is not required to enter the extensive credit card data when one of it's cards is used for an online purchase.
The current Firefox default information (in both addresses and credit cards) does not permit inclusion of any Country/Region, which prevents setting up and using 'click to pay.'
Visa website states it operates '...in more than 200 countries and territories...' While Firefox is currently only available in the United States, it should be programmed to include a drop down list, including the United States as a Country/Region, when creating and using both Firefox default addresses.