| Locality | Post Code |
|---|---|
| San Marcelo, Rancul | L6214 XAI |
| 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 |