Regiolijst
- L3B 1H7 - Welland, Niagara, Ontario
- L3B 1H8 - Welland, Niagara, Ontario
- L3B 1H9 - Welland, Niagara, Ontario
- L3B 1J1 - Welland, Niagara, Ontario
- L3B 1J2 - Welland, Niagara, Ontario
- L3B 1J3 - Welland, Niagara, Ontario
- L3B 1J4 - Welland, Niagara, Ontario
- L3B 1J5 - Welland, Niagara, Ontario
- L3B 1J6 - Welland, Niagara, Ontario
- L3B 1J7 - Welland, Niagara, Ontario
- L3B 1J8 - Welland, Niagara, Ontario
- L3B 1J9 - Welland, Niagara, Ontario
- L3B 1K1 - Welland, Niagara, Ontario
- L3B 1K2 - Welland, Niagara, Ontario
- L3B 1K3 - Welland, Niagara, Ontario
- L3B 1K4 - Welland, Niagara, Ontario
- L3B 1K5 - Welland, Niagara, Ontario
- L3B 1K6 - Welland, Niagara, Ontario
- L3B 1K7 - Welland, Niagara, Ontario
- L3B 1K8 - Welland, Niagara, Ontario