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 Cruz
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