| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Quimilloj, Sarmiento | G4324 XBI |
| Postal/ZIP Codes in Rio de Gallo, Sarmiento | G4354 XAK |
| Postal/ZIP Codes in Rosiyulloj, Sarmiento | G4324 XBJ |
| Postal/ZIP Codes in San Cayetano, Sarmiento | G4354 XAL |
| Postal/ZIP Codes in San José, Sarmiento | G4324 XBK |
| Postal/ZIP Codes in San Marcos, Sarmiento | G4324 XBN |
| Postal/ZIP Codes in San Pedro, Sarmiento | G4324 XAU |
| Postal/ZIP Codes in San Vicente, Sarmiento | G4354 XAM |
| Postal/ZIP Codes in Taco Suyo, Sarmiento | G4324 XAW |
| Postal/ZIP Codes in Toro Pozo, Sarmiento | G4324 XAX |
| Postal/ZIP Codes in Villa Isla, Sarmiento | G4354 XAN |
| Postal/ZIP Codes in Villa Matará, Sarmiento | G4356 XAA |
| Postal/ZIP Codes in Yacano, Sarmiento | G4324 XAD, G4324 XAY |
| Postal/ZIP Codes in Yalán, Sarmiento | G4324 XAZ |