| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Marquez Escuela117, Maipú | M5517 XAB |
| Postal/ZIP Codes in Maza, Maipú | M5517 XAC |
| Postal/ZIP Codes in Pedregal, Maipú | M5651 |
| Postal/ZIP Codes in Rodeo del Medio, Maipú | M5529 |
| Postal/ZIP Codes in Russell, Maipú | M5581 |
| Postal/ZIP Codes in San Roque, Maipú | M5650 |
| Postal/ZIP Codes in Santa Blanca, Maipú | M5655 |
| Postal/ZIP Codes in Sarmiento, Maipú | M5513 XAA |
| Postal/ZIP Codes in Teresa B de Tittarelli, Maipú | M5589 XAA |
| Postal/ZIP Codes in Valle Hermoso, Maipú | M5587 XAA |
| Postal/ZIP Codes in Villa Seca, Maipú | M5588 |