ISO 3166-2 codes for Argentina describe 1 federal district (AR-C) and 23 Provinces. The first part is the ISO 3166-1 code AR for Argentina, the second part of the code is one-digit-alphabetic.
Decoding list
AR-A Salta AR-B Buenos Aires Province AR-C Distrito Federal AR-D San Luis AR-E Entre Rios AR-F La Rioja AR-G Santiago del Estero AR-H Chaco AR-J San Juan AR-K Catamarca AR-L La Pampa AR-M Mendoza AR-N Misiones AR-P Formosa AR-Q Neuquen AR-R Rio Negro AR-S Santa Fe AR-T Tucuman AR-U Chubut AR-V Tierra del Fuego AR-W Corrientes AR-X Cordoba AR-Y Jujuy AR-Z Santa CruzThis article is a stub. You can help Wikipedia by fixing it.