| Yvias, Guingamp |
| Trévérec, Guingamp |
| Tréogan, Guingamp |
| Tréméven, Guingamp |
| Trémargat, Guingamp |
| Tréguidel, Guingamp |
| Trégonneau, Guingamp |
| Trégomeur, Guingamp |
| Tréglamus, Guingamp |
| Trébrivan, Guingamp |
| Tressignaux, Guingamp |
| Treffrin, Guingamp |
| Squiffiec, Guingamp |
| Senven-Léhart, Guingamp |
| Sainte-Tréphine, Guingamp |
| Saint-Servais, Guingamp |
| Saint-Péver, Guingamp |
| Saint-Nicolas-du-Pélem, Guingamp |
| Saint-Nicodème, Guingamp |
| Saint-Laurent, Guingamp |
| Saint-Jean-Kerdaniel, Guingamp |