| Place |
Post Code |
| Adama, Isu-Aniocha |
420112 |
| Ifite-Isu, Isu-Aniocha |
420112 |
| Oraofia, Isu-Aniocha |
420112 |
| Otoko, Isu-Aniocha |
420112 |
| Umudunu, Isu-Aniocha |
420112 |
| Umuelen, Isu-Aniocha |
420112 |
| Umuelom, Isu-Aniocha |
420112 |
| Umueze, Isu-Aniocha |
420112 |
| Umuleri, Isu-Aniocha |
420112 |
| Umumete, Isu-Aniocha |
420112 |
| Umuomite, Isu-Aniocha |
420112 |
| All postal codes in Awka North |
| Achalla, Awka North |
| Amansea, Awka North |
| Amanuke, Awka North |
| Awka, Awka North |
| Ebenebe, Awka North |
| Isu-Aniocha, Awka North |
| Mgbakwu, Awka North |
| Ugbene, Awka North |
| Ugbuenu, Awka North |
| Ukum, Awka North |