क्षेत्र सूची
- L3K 1G6 - Port Colborne, Niagara, Ontario
- L3K 1G7 - Port Colborne, Niagara, Ontario
- L3K 1G8 - Port Colborne, Niagara, Ontario
- L3K 1G9 - Port Colborne, Niagara, Ontario
- L3K 1H1 - Port Colborne, Niagara, Ontario
- L3K 1H2 - Port Colborne, Niagara, Ontario
- L3K 1H3 - Port Colborne, Niagara, Ontario
- L3K 1H4 - Port Colborne, Niagara, Ontario
- L3K 1H5 - Port Colborne, Niagara, Ontario
- L3K 1H6 - Port Colborne, Niagara, Ontario
- L3K 1H7 - Port Colborne, Niagara, Ontario
- L3K 1H8 - Port Colborne, Niagara, Ontario
- L3K 1H9 - Port Colborne, Niagara, Ontario
- L3K 1J1 - Port Colborne, Niagara, Ontario
- L3K 1J2 - Port Colborne, Niagara, Ontario
- L3K 1J3 - Port Colborne, Niagara, Ontario
- L3K 1J4 - Port Colborne, Niagara, Ontario
- L3K 1J5 - Port Colborne, Niagara, Ontario
- L3K 1J6 - Port Colborne, Niagara, Ontario
- L3K 1J7 - Port Colborne, Niagara, Ontario