Isa is one of the twenty-three (23) Local Government Areas (LGAs) in Sokoto State, Nigeria.
Locations within the LGA make use of the same postal or zip code.
Here’s the postcode for areas in Isa:
| Location | Postcode |
| Shalla | 883101 |
| Tiddibale | 883101 |
| Tozai | 883101 |
| Tsabare | 883101 |
| Turba | 883101 |
| Yanfako | 883101 |
| Bafarawa | 883101 |
| Bargaja | 883101 |
| Gebe | 883101 |
| Gidan Bawa | 883101 |
| Gidan Dikko | 883101 |
| Isa | 883101 |
| Kurar Mota | 883101 |
| Modaci | 883101 |
| Rijia Mallam Ladan | 883101 |