| Localité | Code postal |
|---|---|
| 9 de Julio, San Roque | W3445 |
| Alamo, San Roque | W3448 XAU |
| Algarrobal, San Roque | W3445 XBI |
| Algarrobo Paraje, San Roque | W3445 XBG |
| Arroyo González, San Roque | W3445 XBJ |
| Arroyo Paiso, San Roque | W3445 XBK |
| Bajo Grande, San Roque | W3445 XBL |
| Balengo, San Roque | W3448 XAH |
| Boliche Lata, San Roque | W3449 XAB |
| Caayobay, San Roque | W3448 XAP |
| Capitá Miní, San Roque | W3448 XAI |
| Caraya, San Roque | W3448 XAQ |
| Cerrito, San Roque | W3445 XAM, W3445 XBN |
| Chavarría, San Roque | W3474 |
| Colonia Pando, San Roque | W3449 XAC |
| Costa Santa Lucía, San Roque | W3445 XBA |
| El Socorro, San Roque | W3445 XBB |
| Estancia del Medio, San Roque | W3474 XAD |
| Estancia Las Salinas, San Roque | W3474 XAN |
| Estero Piru, San Roque | W3474 XAE |
| Isla Alta, San Roque | W3448 XAJ |
| Kilometro 374, San Roque | W3446 XAD |
| Kilometro 382, San Roque | W3448 XAC |
| Kilómetro 387, San Roque | W3446 XAE |
| La Celina, San Roque | W3474 XAA |
| La Luisa, San Roque | W3446 XAF |