Gwadabawa Local Government Area in Sokoto State uses postal codes is 843103.
Here are the postal codes for the towns and districts in Gwadabawa:
| Place/Area | Postal code |
| Alela | 843103 |
| Tudun Doki | 843103 |
| Asara | 843103 |
| Tumbagarka | 843103 |
| Asara Arewa | 843103 |
| Wodai | 843103 |
| Attakwanyo | 843103 |
| Zugana | 843103 |
| Bamana | 843103 |
| Chaucha | 843103 |
| Chimmola | 843103 |
| Dan Abba | 843103 |
| Gidan Kaya | 843103 |
| Gigani | 843103 |
| Huchi | 843103 |
| Mammande | 843103 |
| Manmansuka | 843103 |
| Meli | 843103 |
| Salami | 843103 |
| T-Shanu | 843103 |