Lafiaji, located in Lagos State, has the postal code 101223.
Here is the postal code for the streets in Lafiaji.
| Place/Street | Postal Code |
| Lewis Street St. | 101223 |
| Boys ^ Girls Academy School St. | 101223 |
| Shura Market St. | 101223 |
| Old Sangrous Market St. | 101223 |
| Ilubirin Estate St. | 101223 |
| Monday Lane St. | 101223 |
| Rasaki Okaya lane St. | 101223 |
| Okesuna Police Barrack St. | 101223 |
| Becroft Street St. | 101223 |
| Simpson Street St. | 101223 |
| Sure Shopping Complex St. | 101223 |
| Ilubirin St. | 101223 |
| Igbosere Road No.133 206 St. | 101223 |
| Turton Street St. | 101223 |
| Forsy the Street St. | 101223 |
| Upper Strachan Street St. | 101223 |
| Okesuna Square St. | 101223 |
| Pike Street St. | 101223 |
| Atere Street St. | 101223 |
| Arogbo Street St. | 101223 |
| Okesuna St St. | 101223 |
| Abitipa St St. | 101223 |
| Idi Oro Court St. | 101223 |
| GanzaioCourt St. | 101223 |
| Hawley St St. | 101223 |
| Salu Court St. | 101223 |
| Kadiri Court St. | 101223 |
| Edorblinded Pry Schl St. | 101223 |
| Okesuna High Schl St. | 101223 |
| Lafiaji High Schl St. | 101223 |
| Kam Selem House St. | 101223 |