| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arcabuco, Arcabuco | 154201 |
| Postal/ZIP Codes in Cabecera Municipal, Arcabuco | 154207 |
| Postal/ZIP Codes in Cabeceras, Arcabuco | 154207 |
| Postal/ZIP Codes in Centro, Arcabuco | 154207 |
| Postal/ZIP Codes in La Concepción, Arcabuco | 154207 |
| Postal/ZIP Codes in Peñas Blancas, Arcabuco | 154207 |