| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Tacural, Castellanos | S2324 |
| Postal/ZIP Codes in Tres Colonias, Castellanos | S2300 XAF |
| Postal/ZIP Codes in Vila, Castellanos | S2306 |
| Postal/ZIP Codes in Villa San José, Castellanos | S2323 |
| Postal/ZIP Codes in Villani, Castellanos | S2400 XAA |
| Postal/ZIP Codes in Virginia, Castellanos | S2311 XAD |
| Postal/ZIP Codes in Zanetti, Castellanos | S2301 XAF |
| Postal/ZIP Codes in Zenón Pereyra, Castellanos | S2409 |