| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Dique Toma, Rivadavia | J5407 XAA |
| Postal/ZIP Codes in Marquesado, Rivadavia | J5407 |
| Postal/ZIP Codes in Paraje Bebida, Rivadavia | J5677 |
| Postal/ZIP Codes in Río Saso, Rivadavia | J5407 XAB |
| Postal/ZIP Codes in Rivadavia, Rivadavia | J5406 |
| Postal/ZIP Codes in Villa Obrera, Rivadavia | J5407 XAC |