| Locality | Post Code |
|---|---|
| Aguada del Pito, Gastre | U9121 XBF |
| Bajada Moreno, Gastre | U9121 XBG |
| Carhue Niyeo, Gastre | U9121 XBH |
| Cerro Santa Ana, Gastre | U9100 XAD |
| Colelache, Gastre | U9121 XBJ |
| El Chacay Dpto Gastre, Gastre | U9121 XBI |
| El Escorial, Gastre | U9121 XAZ |
| Gastre, Gastre | U9121 XBA |
| Lagunita Salada, Gastre | U9121 XBB |
| Pirre Mahuida, Gastre | U9121 XBC |
| Plancuntre, Gastre | U9121 XBD |
| Sacanana, Gastre | U9121 XBE |
| Chubut Postal Codes | |
|---|---|
| Telsen | Tehuelches |
| Sarmiento | Río Senguer |
| Rawson | Paso de Indios |
| Mártires | Languiñeo |
| Gastre | Gaiman |
| Futaleufú | Florentino Ameghino |
| Escalante | Cushamen |
| Biedma | |