| Localité | Code postal |
|---|---|
| Algarrobo, Lavalle | W3441 XAB |
| Barrio Villa Cordoba, Lavalle | W3442 |
| Batal, Lavalle | W3445 XAA |
| Bonete, Lavalle | W3445 XAB |
| Cabaña, Lavalle | W3445 XAC |
| Colonia Cecilio Echeverria, Lavalle | W3440 XAJ |
| Colonia General Ferre, Lavalle | W3440 XAK |
| Colonia Lujan, Lavalle | W3440 XAE |
| Colonia Mendez Bar, Lavalle | W3443 XAD |
| Colonia San Eugenio, Lavalle | W3440 XAD |
| Colonia San José, Lavalle | W3440 XAF |
| Colonia Vedoya, Lavalle | W3445 XAD |
| Costa Batel, Lavalle | W3445 XAE |
| Crucecitas, Lavalle | W3445 XAO |
| Crucecitas Santa Lucia, Lavalle | W3440 XAN |
| Cruz de los Milagros, Lavalle | W3441 |
| Ferro, Lavalle | W3440 XAG |
| Gobernador Juan E. Martínez, Lavalle | W3444 |
| Kilometro 410, Lavalle | W3445 XAF |
| Kilometro 416, Lavalle | W3445 XAL |
| La Bolsa, Lavalle | W3443 XAA |
| La Celia, Lavalle | W3445 XAH |
| La Pastoril, Lavalle | W3440 XAC |
| Laguna Sirena, Lavalle | W3445 XAI |
| Lavalle, Lavalle | W3443 |
| Los Angeles del Batel, Lavalle | W3445 XAG |