গাইবান্ধা জেলা ও থানা সমূহের পোস্ট কোড
| District | Thana | SubOffice | Post Code |
| Gaibandha | Bonarpara | Bonarpara | 5750 |
| Gaibandha | Bonarpara | Saghata | 5751 |
| Gaibandha | Gaibandha Sadar | Gaibandha Sadar | 5700 |
| Gaibandha | Gobindaganj | Gobindaganj | 5740 |
| Gaibandha | Gobindaganj | Mahimaganj | 5741 |
| Gaibandha | Palashbari | Palashbari | 5730 |
| Gaibandha | Phulchhari | Bharatkhali | 5761 |
| Gaibandha | Phulchhari | Phulchhari | 5760 |
| Gaibandha | Saadullaur | Naldanga | 5711 |
| Gaibandha | Saadullaur | Saadullaur | 5710 |
| Gaibandha | Sundarganj | Bamandanga | 5721 |
| Gaibandha | Sundarganj | Sundarganj | 5720 |
Source: Bangladesh Post Office