| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Santa Ana, Piribebuy | 031403 |
| Postal/ZIP Codes in Tape Guasu, Piribebuy | 031408 |
| Postal/ZIP Codes in Virgen del Rosario, Piribebuy | 031404 |
| Postal/ZIP Codes in Yataity, Piribebuy | 031409 |
| Postal/ZIP Codes in Yhaguy Guasu, Piribebuy | 031415 |
| Postal/ZIP Codes in Yhaguy Mi, Piribebuy | 031410 |
| Postal/ZIP Codes in Ykua Pora, Piribebuy | 031412 |
| Postal/ZIP Codes in Ypa'U, Piribebuy | 031417 |