| Place | Post Code |
|---|---|
| Aughaclay, Culdaff | F93 |
| Ballybawn, Culdaff | F93 |
| Bocan, Culdaff | F93 |
| Caratra, Culdaff | F93 |
| Ceathrú an Chairthe (Carha, Culdaff) | F93 |
| An Cloigeann (Claggan, Culdaff) | F93 |
| Cluain Catha (Cloncha, Culdaff) | F93 |
| Crackna, Culdaff | F93 |
| Craigalogue, Culdaff | F93 |
| Cuill, Culdaff | F93 |
| Culcara, Culdaff | F93 |
| Cúil Dabhcha (Culdaff, Culdaff) | F93 |
| Drumaville, Culdaff | F93 |
| Drumballycaslan, Culdaff | F93 |
| An Dún Mór (Dunmore, Culdaff) | F93 |
| Dunross, Culdaff | F93 |
| Faherna, Culdaff | F93 |
| Fán (Fawn, Culdaff) | F93 |
| An Ghlaic (Glack, Culdaff) | F93 |
| Glacknadrumman, Culdaff | F93 |
| An Glaidhb (Glebe, Culdaff) | F93 |
| Gortinarin, Culdaff | F93 |
| Gortnacool, Culdaff | F93 |
| Laraghirril, Culdaff | F93 |
| Lisdergan, Culdaff | F93 |
| Magh (Muff, Culdaff) | F93 |