| Place | Post Code |
|---|---|
| Clog, Erriff | H91 |
| Doire an Tsoinn (Derrintin, Erriff) | H91 |
| An Oirimh (Erriff, Erriff) | F28, H91 |
| Gleann an Fháin (Glenanane, Erriff) | H91 |
| Gleann Dá Bhoc (Glendavock, Erriff) | F28 |
| Gleann na Caillí (Glennacally, Erriff) | H91 |
| Gleann Iomaire (Glenummera, Erriff) | F28, H91 |
| Leitir Easa (Letterass, Erriff) | H91 |
| Sraith an Tslua (Srahatloe, Erriff) | H91 |
| An Tsraith Liath (Srahlea, Erriff) | F28, H91 |