Dosunmu, found in Lagos State, uses the postal code 101227. Here is the postal code for Dosunmu:
| Place/Street | Postal Code |
| Molade Street St. | 101229 |
| Agarawu Street St. | 101229 |
| Aroloya Street St. | 101229 |
| Ore Ofero Street St. | 101229 |
| Scoth Street St. | 101229 |
| Ibomo Street St. | 101229 |
| Palm Church Street St. | 101229 |
| Idowu Olo Street St. | 101229 |
| Ojubanire Street St. | 101229 |
| Ita Adagba Street St. | 101229 |
| Lemomu Street St. | 101229 |
| Shakiti Street St. | 101229 |
| Binuyo Street St. | 101229 |
| Okedeji Street St. | 101229 |
| Alli Owe Street St. | 101229 |
| Vavghan Street St. | 101229 |
| Olowu Musa Alley St. | 101229 |
| Asani Lane St. | 101229 |
| Edwin Street St. | 101229 |
| Fakolujo Street St. | 101229 |
| Braimolgbo Street St. | 101229 |
| Pedro Street St. | 101229 |
| Onikoyi St. St. | 101229 |
| Porter St. St. | 101229 |
| Atin St St. | 101229 |
| Aromire St. St. | 101229 |
| Brdge St. St. | 101229 |
| Agodogbo Ln. St. | 101229 |
| Ayorinde St St. | 101229 |
| Akasoro St St. | 101229 |
| Aro St St. | 101229 |
| Osuro St St. | 101229 |