| Subdivision category | 3166-2 code | Subdivision name |
|---|---|---|
| province | AR-B | Buenos Aires |
| province | AR-K | Catamarca |
| province | AR-H | Chaco |
| province | AR-U | Chubut |
| city | AR-C | Ciudad Autónoma de Buenos Aires |
| province | AR-W | Corrientes |
| province | AR-X | Córdoba |
| province | AR-E | Entre Ríos |
| province | AR-P | Formosa |
| province | AR-Y | Jujuy |
| province | AR-L | La Pampa |
| province | AR-F | La Rioja |
| province | AR-M | Mendoza |
| province | AR-N | Misiones |
| province | AR-Q | Neuquén |
| province | AR-R | Río Negro |
| province | AR-A | Salta |
| province | AR-J | San Juan |
| province | AR-D | San Luis |
| province | AR-Z | Santa Cruz |
| province | AR-S | Santa Fe |
| province | AR-G | Santiago del Estero |
| province | AR-V | Tierra del Fuego |
| province | AR-T | Tucumán |