Regiolijst
- L3B 1Z3 - Welland, Niagara, Ontario
- L3B 1Z4 - Welland, Niagara, Ontario
- L3B 1Z5 - Welland, Niagara, Ontario
- L3B 1Z6 - Welland, Niagara, Ontario
- L3B 1Z7 - Welland, Niagara, Ontario
- L3B 1Z8 - Welland, Niagara, Ontario
- L3B 1Z9 - Welland, Niagara, Ontario
- L3B 2A1 - Welland, Niagara, Ontario
- L3B 2A2 - Welland, Niagara, Ontario
- L3B 2A3 - Welland, Niagara, Ontario
- L3B 2A4 - Welland, Niagara, Ontario
- L3B 2A5 - Welland, Niagara, Ontario
- L3B 2A6 - Welland, Niagara, Ontario
- L3B 2A7 - Welland, Niagara, Ontario
- L3B 2A8 - Welland, Niagara, Ontario
- L3B 2A9 - Welland, Niagara, Ontario
- L3B 2B1 - Welland, Niagara, Ontario
- L3B 2B2 - Welland, Niagara, Ontario
- L3B 2B3 - Welland, Niagara, Ontario
- L3B 2B4 - Welland, Niagara, Ontario