| Place | Postal Code |
|---|---|
| Ada-Irri, Irr I, II | 334102 |
| Bly Imawa Camp, Irr I, II | 334102 |
| Company Camp, Irr I, II | 334102 |
| Edadaimoni Camp, Irr I, II | 334102 |
| Emonina Camp, Irr I, II | 334102 |
| German Camp, Irr I, II | 334102 |
| God Day Camp, Irr I, II | 334102 |
| Idheze-Irri, Irr I, II | 334102 |
| Ididiri Camp, Irr I, II | 334102 |
| Ikpide-Irri, Irr I, II | 334102 |
| Ivori-Irri, Irr I, II | 334102 |
| Ivrogbo-Irri, Irr I, II | 334102 |
| Iwhreogboko Irri, Irr I, II | 334102 |
| Iwre Idheze, Irr I, II | 334102 |
| Kenan-Irri, Irr I, II | 334102 |
| Longhes Camp, Irr I, II | 334102 |
| Ogbirissa Camp, Irr I, II | 334102 |
| Orie Irri, Irr I, II | 334102 |
| Oru-Irogbo Camp, Irr I, II | 334102 |
| Oshitoke Camp, Irr I, II | 334102 |
| Ozeh, Irr I, II | 334102 |
| Udo Edu Camp, Irr I, II | 334102 |
| Udo-Irri, Irr I, II | 334102 |
| Utue-Irri, Irr I, II | 334102 |