It is clearly stated on the product page that its Google Play Card for USA region.
Here are the steps on how to change country to USA
1. Turn off location/GPS of phone
2.clear cache of mobile phone, including playstore app
3. restart phone
4. install VPN (tunnel bear or any other)
5. select USA as country and redeem
6. If you still have country specific message, Keep VPN on for couple of hours
7. then redeem and it should work
if you do not know how to use VPN, search on youtube with “VPN to change playstore country” to know how its done.
Regarding USA phone number, just search on google with KFC NY or any other city KFC and you will get USA address with phone number, use one of those.