| Locality | Post Code |
|---|---|
| San José, Colón | E3283 |
| San Miguel, Colón | E3269 XAF |
| San Miguel Nro 2, Colón | E3269 XAG |
| San Salvador, Colón | E3218 |
| Santa Inés, Colón | E3285 XAE |
| Santa Rosa, Colón | E3252 XAA |
| Saxto Distrito Colon, Colón | E3287 XAA |
| Ubajay, Colón | E3287 |
| Villa Elisa, Colón | E3265 |
| Villa San José, Colón | E3282 |
| Yatay, Colón | E3281 XAA |
| Entre Ríos Postal Codes | |
|---|---|
| Villaguay | Victoria |
| Uruguay | Tala |
| San Salvador | San José de Feliciano |
| Paraná | Nogoyá |
| La Paz | Islas del Ibicuy |
| Gualeguaychú | Gualeguay |
| Federal | Federación |
| Diamante | Concordia |
| Colón | |