| Locality | Post Code |
|---|---|
| Perú, Guatraché | L8212 XAC |
| Piche Cona Lauquen, Guatraché | L8212 XAD |
| Remecó, Guatraché | L6311 XAE |
| Salinas Mari Manuel, Guatraché | L6309 XAC |
| San Miguel, Guatraché | L8212 XAE |
| Santa Ana, Guatraché | L6309 XAD |
| La Pampa Postal Codes | |
|---|---|
| Utracán | Trenel |
| Toay | Realicó |
| Rancul | Quemú Quemú |
| Puelén | Maracó |
| Loventué | Limay Mahuida |
| Lihuel Calel | Hucal |
| Guatraché | Curacó |
| Conhelo | Chical Co |
| Chapaleufú | Chalileo |
| Catriló | Capital |
| Caleu Caleu | Atreucó |