| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Ramblón de los Chilenos, Lavalle | M5533 XBN |
| Postal/ZIP Codes in Resurrección, Lavalle | M5535 XAQ |
| Postal/ZIP Codes in San José, Lavalle | M5535 XAR |
| Postal/ZIP Codes in San Miguel, Lavalle | M5537 XAH |
| Postal/ZIP Codes in San Pedro, Lavalle | M5537 XAT |
| Postal/ZIP Codes in Santa Marta, Lavalle | M5533 XAX |
| Postal/ZIP Codes in Tulumaya, Lavalle | M5533 XAZ |