| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Altamira-San Kristobal, Vizcaya) | 48350 |
| Postal/ZIP Codes in Axpe-San Bartolome, Vizcaya) | 48350 |
| Postal/ZIP Codes in Busturia, Vizcaya) | 48350 |
| Postal/ZIP Codes in Sagarminaga, Vizcaya) | 48350 |
| Postal/ZIP Codes in San Andres Apostolua Eliza/Iglesia de San Andrés, Vizcaya) | 48350, 48350, 48395 |