| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Puesto Lorca, Santa Rosa | M5594 XDZ |
| Postal/ZIP Codes in Puesto San Vicente, Santa Rosa | M5594 XEA |
| Postal/ZIP Codes in Punta del Canal, Santa Rosa | M5594 XEB |
| Postal/ZIP Codes in R Bustos, Santa Rosa | M5594 XCT |
| Postal/ZIP Codes in Recoaro, Santa Rosa | M5596 XAB |
| Postal/ZIP Codes in Rodriguez, Santa Rosa | M5594 XCU |
| Postal/ZIP Codes in San Pedro, Santa Rosa | M5594 XCV |
| Postal/ZIP Codes in Santa Ana, Santa Rosa | M5594 XCW |
| Postal/ZIP Codes in Santa María, Santa Rosa | M5594 XCX |
| Postal/ZIP Codes in Santa Rosa, Santa Rosa | M5596 |
| Postal/ZIP Codes in Santo Domingo, Santa Rosa | M5594 XCY |
| Postal/ZIP Codes in T Orozco, Santa Rosa | M5594 XCZ |
| Postal/ZIP Codes in Talquenca, Santa Rosa | M5594 XDA |
| Postal/ZIP Codes in Urisa, Santa Rosa | M5594 XDB |
| Postal/ZIP Codes in Villa Catala, Santa Rosa | M5596 XAC |