Payflow Gateway Country Codes
The Payflow API uses the International Standards Organization (ISO) 3166-1 numeric country codes in the following fields:
SHIPTOCOUNTRY. For a complete list of the current officially assigned ISO 3166-1 3-digit numeric country codes, Refer to ISO 3166-1 numeric
Important: If PayPal is your acquirer, refer instead to the Countries and Regions Supported by PayPal.