I’ve needed this in every ZenCart install so far to set up European specific country codes:
BE,BG,CZ,DK,DE,EE,IE,EL,ES,FR,IT,CY,LV,LT,LU,HU,MT,NL,AT,PL,PT,RO,SI,SK,FI,SE
Courtesy of : http://publications.europa.eu/code/pdf/370000en.htm
Let me know if anyone knows of any changes to this