| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Simbila, Catacaos | 20000 |
| Postal/ZIP Codes in Vega de Mera, Catacaos | 20000 |
| Postal/ZIP Codes in Vega del Caballo, Catacaos | 20000 |
| Postal/ZIP Codes in Vega Jabonillo, Catacaos | 20000 |
| Postal/ZIP Codes in Viduque, Catacaos | 20006 |