| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in San Antonio de Iruya, Iruya | A4633 XBE |
| Postal/ZIP Codes in San Isidro de Iruya, Iruya | A4633 XAO |
| Postal/ZIP Codes in San Juan, Iruya | A4633 XAP |
| Postal/ZIP Codes in San Pedro de Iruya, Iruya | A4633 XAQ |
| Postal/ZIP Codes in Solazuti, Iruya | A4530 XAD |
| Postal/ZIP Codes in Tipayoc, Iruya | A4633 XAR |
| Postal/ZIP Codes in Titicoite, Iruya | A4633 XAV |
| Postal/ZIP Codes in Toroyoc, Iruya | A4644 XAB |
| Postal/ZIP Codes in Tres Morros, Iruya | A4633 XAW |
| Postal/ZIP Codes in Uchogol, Iruya | A4633 XAS |
| Postal/ZIP Codes in Uchuyoc, Iruya | A4633 XAX |
| Postal/ZIP Codes in Valle Delgado, Iruya | A4633 XAY |
| Postal/ZIP Codes in Villa Alem, Iruya | A4633 XAT |
| Postal/ZIP Codes in Vizcarra, Iruya | A4644 XAC |
| Postal/ZIP Codes in Volcán Higueras, Iruya | A4633 XAU |