| Locality | Post Code |
|---|---|
| Aguada del Loro, Adolfo Alsina | R8520 XAB |
| Balneario El Cóndor, Adolfo Alsina | R8507 |
| Barrio Laguna, Adolfo Alsina | R8520 XAA |
| Cubanea, Adolfo Alsina | R8501 XAG |
| El Dique, Adolfo Alsina | R8500 XAC |
| General Liborio Bernal, Adolfo Alsina | R8500 XAD |
| Guardia Mitre, Adolfo Alsina | R8505 |
| La Lobería, Adolfo Alsina | R8501 XAA |
| La Meseta, Adolfo Alsina | R8500 XAA |
| La Primavera, Adolfo Alsina | R8520 XAC |
| Laguna del Barro, Adolfo Alsina | R8514 XAA |
| Mata Negra, Adolfo Alsina | R8500 XAB |
| Nuevo León, Adolfo Alsina | R8514 XAB |
| Primera Angostura, Adolfo Alsina | R8505 XAA |
| San Javier, Adolfo Alsina | R8501 |
| Sauce Blanco, Adolfo Alsina | R8505 XAC |
| Viedma, Adolfo Alsina | R8500 |
| Río Negro Postal Codes | |
|---|---|
| Ñorquincó | Valcheta |
| San Antonio | Pilcaniyeu |
| Pichi Mahuida | General Roca |
| El Cuy | Conesa |
| Bariloche | Avellaneda |
| Adolfo Alsina | 9 de Julio |
| 25 de Mayo | |