Regiolijst
- L3B 1E5 - Welland, Niagara, Ontario
- L3B 1E6 - Welland, Niagara, Ontario
- L3B 1E7 - Welland, Niagara, Ontario
- L3B 1E8 - Welland, Niagara, Ontario
- L3B 1E9 - Welland, Niagara, Ontario
- L3B 1G1 - Welland, Niagara, Ontario
- L3B 1G2 - Welland, Niagara, Ontario
- L3B 1G3 - Welland, Niagara, Ontario
- L3B 1G4 - Welland, Niagara, Ontario
- L3B 1G5 - Welland, Niagara, Ontario
- L3B 1G6 - Welland, Niagara, Ontario
- L3B 1G7 - Welland, Niagara, Ontario
- L3B 1G8 - Welland, Niagara, Ontario
- L3B 1G9 - Welland, Niagara, Ontario
- L3B 1H1 - Welland, Niagara, Ontario
- L3B 1H2 - Welland, Niagara, Ontario
- L3B 1H3 - Welland, Niagara, Ontario
- L3B 1H4 - Welland, Niagara, Ontario
- L3B 1H5 - Welland, Niagara, Ontario
- L3B 1H6 - Welland, Niagara, Ontario