Being a USA based company, when you access the Billing Info screen, you will see entry fields that reflect the wording used here in the United States. 

The form can be easily adapted, as shown below, for any country.

From your FASO account Control Panel:

• click $ Billing Icon (upper row)
• click Change Your Credit Card Info
• input your info
• click down arrow to select Country
• click Save Changes

Examples

NOTE: City, Region, and Zip are used here as examples only

for City (or Locality) enter like so: Eastbourne
for State (or Region), enter like so: East Sussex
for Zip, like so: BN211

OR

for City (or Locality) enter like so: Gunpo Si
for State (or Region), enter like so: Gyeonggi Do
for Zip, like so: KS022

OR

for City (or Locality) enter like so: Romainmotier
for State (or Region), enter like so: Vaud
for Zip, like so: 1542