| Saint-Léolin, Gloucester |
E8N |
| Saint-Pons, Gloucester |
E1X |
| Saint-Sauveur, Gloucester |
E8L |
| Saint-Simon, Gloucester |
E8P |
| Sainte-Anne (Gloucester County), Gloucester |
E2A |
| Sainte-Cécile, Gloucester |
E8T |
| Sainte-Louise, Gloucester |
E8K |
| Sainte-Marie-Saint-Raphaël, Gloucester |
E8T |
| Sainte-Rose, Gloucester |
E1X |
| Sainte-Rosette, Gloucester |
E8K |
| Sainte-Thérèse Sud, Gloucester |
E8K |
| Salmon Beach, Gloucester |
E2A |
| Saumarez, Gloucester |
E1X |
| Savoie Landing, Gloucester |
E8S |
| Shippagan, Gloucester |
E8S |
| Six Roads, Gloucester |
E1X |
| Sormany, Gloucester |
E8K |
| South Tetagouche, Gloucester |
E2A |
| Stonehaven, Gloucester |
E2A |
| Tetagouche Falls, Gloucester |
E2A |
| Tilley Road, Gloucester |
E8M |
| Tracadie Beach, Gloucester |
E1X |
| Tracadie-Sheila, Gloucester |
E1X |
| Tremblay, Gloucester |
E8J |
| Trudel, Gloucester |
E8R |
| Val-Comeau, Gloucester |
E1X |