| Locality | Post Code |
|---|---|
| General Roca, General Roca | R8332 |
| Ingeniero Huergo, General Roca | R8334 |
| Iris, General Roca | R8324 XAA |
| Kilometro 1218, General Roca | R8305 XAC |
| La Alianza, General Roca | R8324 XAB |
| La Emilia, General Roca | R8324 XAE |
| La Esmeralda, General Roca | R8324 XAD |
| La Estancia Vieja, General Roca | R8324 XAF |
| La Lucinda, General Roca | R8324 XAG |
| Lago Pellegrini, General Roca | R8305 XAD |
| Los Sauces, General Roca | R8307 XAE |
| Mainqué, General Roca | R8327 |
| Padre Alejandro Stefanelli, General Roca | R8335 |
| Paso Córdova, General Roca | R8330 |
| San Jorge, General Roca | R8324 XAH |
| Sargento Vidal, General Roca | R8310 |
| Tercera Zona, General Roca | R8336 XAC |
| Valle de Los Alamos, General Roca | R8307 XAF |
| Villa Alberdi, General Roca | R8336 XAD |
| Villa Manzano, General Roca | R8308 |
| Villa Regina, General Roca | R8336 |
| 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 | |