There are 18 cities and municipalities that make up the whole province of Albay. Here are their postal codes:
| Location | Zip Code |
| Bacacay | 4509 |
| Camalig | 4502 |
| Daraga (Locsin) | 4501 |
| Guinobatan | 4503 |
| Jovellar | 4515 |
| Legaspi City | 4500 |
| Libon | 4507 |
| Ligao City | 4504 |
| Malilipot | 4510 |
| Malinao | 4512 |
| Manito | 4514 |
| Oas | 4505 |
| Pio Duran (Malacbalac) | 4516 |
| Polangui | 4506 |
| Rapu-Rapu | 4517 |
| Santo Domingo | 4508 |
| Tabaco City | 4511 |
| Tiwi | 4513 |