| Locality | Post Code |
|---|---|
| Agua de Castilla, Yavi | Y4651 XAJ |
| Barrios, Yavi | Y4649 AAA, Y4649 ABA, Y4649 … |
| Cajas, Yavi | Y4651 XAI |
| Cangrejillos, Yavi | Y4644 XAT |
| Cangrejos, Yavi | Y4644 XAU |
| Caracara, Yavi | Y4644 XAV |
| Casti, Yavi | Y4650 XAE |
| Cerrillos, Yavi | Y4653 XAQ |
| Chocoite, Yavi | Y4644 XAW |
| Corralito, Yavi | Y4650 XAJ |
| El Monumento, Yavi | Y4650 XAC |
| Escaya, Yavi | Y4644 XAX |
| Inticancho, Yavi | Y4651 XAD |
| Kilometro 1397, Yavi | Y4644 XAZ |
| La Ciénaga, Yavi | Y4650 XAF |
| La Intermedia, Yavi | Y4650 XAH |
| La Quiaca, Yavi | Y4650 |
| Mayinte, Yavi | Y4644 XAM |
| Mina Bélgica, Yavi | Y4644 XAN |
| Mina Pulpera, Yavi | Y4644 XAO |
| Mina San Francisco, Yavi | Y4644 XAP |
| Mina Sol de Mayo, Yavi | Y4644 XAY |
| Mulli Punco, Yavi | Y4650 XAI |
| Pumahuasi, Yavi | Y4644 XAQ |
| Redonda, Yavi | Y4644 XAR |
| Río Colorado, Yavi | Y4644 XAS |