Iju Water Works in Lagos State is under the postal code 100216. Here is the postal code for Iju Water Works:
| Place/Street | Postal Code |
| Adegbite St. St. | 100216 |
| Aderogba St. St. | 100216 |
| Akinla Rd. St. | 100216 |
| Alori St. St. | 100216 |
| Aranse Oluwa St St. | 100216 |
| Awonusi St St. | 100216 |
| Bello St St. | 100216 |
| Biladu St St. | 100216 |
| Enitan St St. | 100216 |
| Jagunmolu St St. | 100216 |
| Jobere St St. | 100216 |
| Kayode St St. | 100216 |
| Mustapha St St. | 100216 |
| Odubanke St St. | 100216 |
| Odunnaiya Avenue St. | 100216 |
| Ogundimu St St. | 100216 |
| Oke Are St St. | 100216 |
| Ronke St St. | 100216 |
| Saloeliti St St. | 100216 |
| Segun St St. | 100216 |
| Solake St St. | 100216 |
| Thomson St St. | 100216 |
| Williams St St. | 100216 |
| Abdullahi St St. | 100216 |
| Adejila St St. | 100216 |
| Adeko St. | 100216 |
| Adesina St St. | 100216 |
| Adetunji Adebayo St. | 100216 |
| Akinlade Savage St. | 100216 |
| Akinsanya St St. | 100216 |
| Alafia Oje St. | 100216 |
| Alamuju St. | 100216 |
| Ale St St. | 100216 |
| Alhaji Ganiyu St. | 100216 |
| Alhaji Makinde St. | 100216 |
| Alhaji Ronke St. | 100216 |
| Aliyu St St. | 100216 |
| Alkat St. | 100216 |
| Anjorin St. | 100216 |
| Ayedogbo St. | 100216 |
| Babatunde Hassan St. | 100216 |
| Balogun Rd St. | 100216 |
| Baoku St. | 100216 |
| Church Lane St. | 100216 |
| Church St St. | 100216 |
| Daddy Savage St. | 100216 |
| Egbatedo Close St. | 100216 |
| Fabiyi St. | 100216 |
| Fagba St. | 100216 |
| Faleke St. | 100216 |
| Fashina St. | 100216 |
| Fatai St St. | 100216 |
| Fred Williams St. | 100216 |
| Idris Fagbayi St. | 100216 |
| Iju Rd St. | 100216 |
| Iju Road St. | 100216 |
| James St. | 100216 |
| Jide Ayemi St. | 100216 |
| Jimoh Balogun St. | 100216 |
| Josephine Demurin St. | 100216 |
| Ladijebi Crescent St. | 100216 |
| Ladipo Avenue St. | 100216 |
| Mustapha St St. | 100216 |
| Okeare St St. | 100216 |
| Old Akute Road St. | 100216 |
| Olusegun St St. | 100216 |
| Olusoji St. | 100216 |
| Omoolule St St. | 100216 |
| Opa Aro St. | 100216 |
| Opakunle St. | 100216 |
| Oredola St. | 100216 |
| Oremeji St St. | 100216 |
| Osho Agoro St. | 100216 |
| Oshukeye St. | 100216 |
| Oshuntokun St St. | 100216 |
| Owonikoko St. | 100216 |
| Oyekan St. | 100216 |
| Showenmimo St. | 100216 |
| Solanke St. | 100216 |
| Stephen & Stephen St St. | 100216 |
| Taiwo St St. | 100216 |