| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Cataratas del Iguazú, Iguazú | N3370 XAJ |
| Postal/ZIP Codes in Libertad, Iguazú | N3374 |
| Postal/ZIP Codes in Planchada Banderita, Iguazú | N3370 XAC |
| Postal/ZIP Codes in Puerto Aguirre, Iguazú | N3370 XAM |
| Postal/ZIP Codes in Puerto Bossetti, Iguazú | N3370 XAO |
| Postal/ZIP Codes in Puerto Canoas, Iguazú | N3370 XAD |
| Postal/ZIP Codes in Puerto Carolina, Iguazú | N3370 XAP |
| Postal/ZIP Codes in Puerto Esperanza, Iguazú | N3378 |
| Postal/ZIP Codes in Puerto Iguazú, Iguazú | N3370 |
| Postal/ZIP Codes in Puerto Libertad, Iguazú | N3370 XAA |
| Postal/ZIP Codes in Puerto Paulito, Iguazú | N3370 XAE |
| Postal/ZIP Codes in Puerto Península, Iguazú | N3370 XAR |
| Postal/ZIP Codes in Puerto Uruguay, Iguazú | N3370 XAS |
| Postal/ZIP Codes in Puerto Wanda, Iguazú | N3370 XAH |
| Postal/ZIP Codes in Puerto Yacuy, Iguazú | N3370 XAF |
| Postal/ZIP Codes in Tirica, Iguazú | N3370 XAI |
| Postal/ZIP Codes in Villa Flor, Iguazú | N3370 XAG |
| Postal/ZIP Codes in Wanda, Iguazú | N3376 |