| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Los Morteros, Ancasti | K4701 XCX |
| Postal/ZIP Codes in Los Piquillines, Ancasti | K4701 XCY |
| Postal/ZIP Codes in Navaguín, Ancasti | K4701 XDA |
| Postal/ZIP Codes in Ojo de Agua, Ancasti | K4701 XDB |
| Postal/ZIP Codes in Potrero, Ancasti | K4701 XDD |
| Postal/ZIP Codes in Quebracho, Ancasti | K4701 XDE |
| Postal/ZIP Codes in Rio Los Molinos, Ancasti | K4701 XDF |
| Postal/ZIP Codes in San Antonio, Ancasti | K4701 XDG |
| Postal/ZIP Codes in San José, Ancasti | K4701 XDH |
| Postal/ZIP Codes in Santa Gertrudis, Ancasti | K4701 XDJ |
| Postal/ZIP Codes in Sauce Huacho, Ancasti | K4701 XAU |
| Postal/ZIP Codes in Tacana, Ancasti | K4701 XAV |
| Postal/ZIP Codes in Taco de Abajo, Ancasti | K4701 XAW |
| Postal/ZIP Codes in Totoral, Ancasti | K4701 XAX |
| Postal/ZIP Codes in Yerba Buena, Ancasti | K4701 XAY |