| Place | Post Code |
|---|---|
| Amakam, Udo | 462114 |
| Ezeakam-Umuhunaez, Udo | 462114 |
| Ezibu, Udo | 462115 |
| Ezikpi-Egberemiri, Udo | 462114 |
| Ikenga, Udo | 462115 |
| Uhuala, Udo | 462124 |
| Umuakan-Umuagu, Udo | 462114 |
| Umuchekua, Udo | 462115 |
| Umuegwu, Udo | 462115 |
| Umuekwerede-Ekwenenaelochi, Udo | 462114 |
| Umuezeaku, Udo | 462115 |
| Umuhu-Egberemiri, Udo | 462114 |
| Umuhunaezikpo, Udo | 462115 |
| Umulolo, Udo | 462115 |
| Umunebia, Udo | 462115 |
| Umunorde, Udo | 462124 |
| Umuofo, Udo | 462124 |
| Umuzu, Udo | 462114 |