Ikosi, found in Lagos State, has the postal code 100246. Here is the postal code for Ikosi:
| Place/Street | Postal Code |
| Abarren St. St. | 100246 |
| Abeni St St. | 100246 |
| Adaola St St. | 100246 |
| Adebakin St St. | 100246 |
| Adekunle St St. | 100246 |
| Ademola Osilowo St St. | 100246 |
| Adenuga St. St. | 100246 |
| Aderibigbe St St. | 100246 |
| Adesanya St. St. | 100246 |
| Adesola Owolabi St. St. | 100246 |
| Adewunmi St St. | 100246 |
| Adeyemi Close St. | 100246 |
| Adeyemi St St. | 100246 |
| Adeyiga St St. | 100246 |
| Agbolade St. St. | 100246 |
| Ajagungbade St St. | 100246 |
| Ajao Estate St. | 100246 |
| Ajefemi St. St. | 100246 |
| Akinmade St St. | 100246 |
| Akinola St St. | 100246 |
| Akinpelumi St. St. | 100246 |
| Akinwale St St. | 100246 |
| Aladelola St St. | 100246 |
| Alamu Taiwo St St. | 100246 |
| Ali Lane St. | 100246 |
| Anibaba St. St. | 100246 |
| Areromi St St. | 100246 |
| Ayanbadejo St St. | 100246 |
| Ayodele St. St. | 100246 |
| Azaan St St. | 100246 |
| Badejoko St. St. | 100246 |
| Bakare St St. | 100246 |
| Balogun Oyero St. St. | 100246 |
| Bello Folawiyo St St. | 100246 |
| Bello St. St. | 100246 |
| Christian Church St. | 100246 |
| Community St St. | 100246 |
| Dairo St. St. | 100246 |
| Daniel Makinde St. St. | 100246 |
| Dele Okuwa St St. | 100246 |
| Ekiti St St. | 100246 |
| Elegbeleye St St. | 100246 |
| Fakoya St. St. | 100246 |
| Fasanmi St. St. | 100246 |
| Forhahunda Close St. | 100246 |
| Funbi Ogunyawo St. St. | 100246 |
| Idalia St. | 100246 |
| Idowu Oba Close St. | 100246 |
| Ikorodu Rd. St. | 100246 |
| Ikosi Oke Street St. | 100246 |
| Ikosi Rd St. | 100246 |
| Ikosi St St. | 100246 |
| Jimoh Balogun St St. | 100246 |
| Kayode Arikawe St. St. | 100246 |
| Kola Adeyemi St. | 100246 |
| Kola Adeyeye Close St. | 100246 |
| Lovooli St St. | 100246 |
| Mosudi St St. | 100246 |
| Obajimi Close St. | 100246 |
| Ogunkoya St St. | 100246 |
| Ogunlana St. St. | 100246 |
| Ogunshola St St. | 100246 |
| Oketeyinbo St. St. | 100246 |
| Okufunwa St St. | 100246 |
| Okunowo St. St. | 100246 |
| Olabisi Balogun St St. | 100246 |
| Olani0pekun St St. | 100246 |
| Olatunde Oyefesobi St St. | 100246 |
| Olatunji ige St. St. | 100246 |
| Olodogba St. St. | 100246 |
| Olorunsebi St. St. | 100246 |
| Olufowobi St. St. | 100246 |
| Olufunmilayo St. St. | 100246 |
| Oluwalogbon St. St. | 100246 |
| Oluwaseun St St. | 100246 |
| Oluyombo St St. | 100246 |
| Omodisu St St. | 100246 |
| Omofola Avenue St. | 100246 |
| Omolola St St. | 100246 |
| Omotayo Disu St. St. | 100246 |
| Omotayo Ojo St. St. | 100246 |
| Oshokoya St. St. | 100246 |
| Osikomaya St St. | 100246 |
| Owokoya St. St. | 100246 |
| Oyedeji St St. | 100246 |
| Oyeosi Lane St. | 100246 |
| Oyero Lane St. | 100246 |
| Police Station St. | 100246 |
| Rufi Close St. | 100246 |
| Salau Avenue St. | 100246 |
| Segun Akinkomi St. St. | 100246 |
| Shifawu St St. | 100246 |
| Shodipe Close St. | 100246 |
| Shonaike St St. | 100246 |
| Taike St St. | 100246 |
| Taiwo St St. | 100246 |
| Thomas Lane St. | 100246 |
| Truth Divine St. | 100246 |
| Ulisi Oluyeba St St. | 100246 |
| Unity Lane St. | 100246 |
| Yakubu St St. | 100246 |