| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Belmonte, Betulia | 686508 |
| Postal/ZIP Codes in Betulia, Betulia | 686501, 686507 |
| Postal/ZIP Codes in Llama Fria, Betulia | 686508 |
| Postal/ZIP Codes in Mata de Cacao, Betulia | 686508 |
| Postal/ZIP Codes in Sogamoso, Betulia | 686508 |
| Postal/ZIP Codes in Viscainas, Betulia | 686508 |