100001 is the postal code in Lagos and as NIPOST Headquarters.
| Postcode | 100001 |
|---|---|
| Location | GPO |
| Area | Ikeja area |
| LGA | Ikeja |
| State | Lagos |
| Geopolitical Zone | South West |
| Country | Nigeria. |
| Postcode | Location | Type | LGA | State |
|---|---|---|---|---|
| 100001 | GPO | Facility | Ikeja | Lagos |
| 100001 | Festac | Facility | Amuwo Odofin | Lagos |