Ajah is a location within the city of Lagos, Lagos State, Nigeria. It contains several streets that make use of the same postal or zip code.
Here are the postcodes for Ajah:
| Location | Postcode |
| Jakande Estate St. | 101245 |
| Igbo Efon St. | 101245 |
| Ikate St. | 101245 |
| Ajiran St. | 101245 |
| Ilasan St. | 101245 |
| Osapa London St. | 101245 |
| Ikota St. | 101245 |
| Victoria Garden City St. | 101245 |
| Ajah St. | 101245 |
| Ado St. | 101245 |