| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Caraíba, Santa Maria da Boa Vista | 56393-000 |
| Postal/ZIP Codes in Jutaí, Santa Maria da Boa Vista | 56390-000 |
| Postal/ZIP Codes in Santa Maria da Boa Vista, Santa Maria da Boa Vista | 56380-000 |
| Postal/ZIP Codes in Urimama, Santa Maria da Boa Vista | 56386-000 |