| Localité | Code postal |
|---|---|
| Arroyo El Mocho, Concordia | E3212 XAX |
| Arroyo Hondo, Concordia | E3216 XAJ |
| Arroyo La Virgen, Concordia | E3212 XAY |
| Arroyo Moreira, Concordia | E3181 XAF |
| Ayui Parada, Concordia | E3204 XAB |
| Benito Legerén, Concordia | E3203 |
| Calabacillas, Concordia | E3203 XAI |
| Camba Paso, Concordia | E3201 XAM |
| Campo Dominguez, Concordia | E3212 XAS |
| Carpinchoris, Concordia | E3183 XAB |
| Clodomiro Ledesma, Concordia | E3203 XAJ |
| Cnia Justo José de Urquiza, Concordia | E3212 XAH |
| Colonia Adela, Concordia | E3207 |
| Colonia Ayuí, Concordia | E3201 XAN |
| Colonia Campos, Concordia | E3216 XAH |
| Colonia Curbelo, Concordia | E3216 XAI |
| Colonia General Roca, Concordia | E3201 XAD |
| Colonia Jorge Fink, Concordia | E3181 XAB |
| Colonia La Mora, Concordia | E3216 XAB |
| Colonia La Quinta, Concordia | E3216 XAC |
| Colonia Los Sauces, Concordia | E3200 XAH |
| Colonia Navarro, Concordia | E3201 XAE |
| Colonia Oficial Nro 5, Concordia | E3216 XAD |
| Colonia San Bonifacio, Concordia | E3212 XAJ |
| Colonia Yeruá, Concordia | E3201 XAF |
| Concordia, Concordia | E3200, E3202, E3205 |
| Codes postaux en Entre Ríos | |
|---|---|
| Villaguay | Victoria |
| Uruguay | Tala |
| San Salvador | San José de Feliciano |
| Paraná | Nogoyá |
| La Paz | Islas del Ibicuy |
| Gualeguaychú | Gualeguay |
| Federal | Federación |
| Diamante | Concordia |
| Colón | |