| Locality | Post Code |
|---|---|
| Aguada de los Pajaritos, General Roca | R8301 XAC |
| Aguara, General Roca | R8307 XAA |
| Allen, General Roca | R8328 |
| Barda del Medio, General Roca | R8305 |
| Barrio Norte, General Roca | R8328 XAA |
| Catriel, General Roca | R8307 |
| Cervantes, General Roca | R8326 |
| Chacras de Allen, General Roca | R8328 XAC |
| Chichinales, General Roca | R8337 |
| Cinco Saltos, General Roca | R8303 |
| Cipolletti, General Roca | R8324 |
| Colonia Alte Guerrico, General Roca | R8307 XAB |
| Colonia El Manzano, General Roca | R8305 XAA |
| Colonia Regina, General Roca | R8336 XAB |
| Colonia Rusa, General Roca | R8332 XAB |
| Contralmirante Cordero, General Roca | R8301 |
| Contralmirante M Guerrico, General Roca | R8328 XAB |
| Coronel Juan José Gómez, General Roca | R8331 |
| Coronel Vidal, General Roca | R8305 XAB |
| Cos Zaures, General Roca | R8307 XAD |
| Cuatro Esquinas, General Roca | R8324 XAC |
| Cuenca Vidal, General Roca | R8301 XAD |
| El Cuy, General Roca | R8329 |
| Ferri, General Roca | R8323 |
| General Enrique Godoy, General Roca | R8338 |
| General Fernández Oro, General Roca | R8325 |
| 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 | |