view release on metacpan or  search on metacpan

country-codes.txt  view on Meta::CPAN

Cayman Islands	KY
Central African Republic 	CF
Chad	TD
Channel Islands	NN
Chile	CL
China, Peoples Republic of 	CN
Christmas Island	CX
Cocos Islands	CC
Colombia	CO
Congo	CG
Cook Islands	CK
Costa Rica	CR
Croatia	HR
Curacao	CB
Cyprus	CY
Czech Republic	CZ
Denmark	DK
Djibouti	DJ
Dominica	DM
Dominican Republic 	DO
Ecuador	EC