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