क्षेत्र सूची
- L3K 1J8 - Port Colborne, Niagara, Ontario
- L3K 1J9 - Port Colborne, Niagara, Ontario
- L3K 1K1 - Port Colborne, Niagara, Ontario
- L3K 1K2 - Port Colborne, Niagara, Ontario
- L3K 1K3 - Port Colborne, Niagara, Ontario
- L3K 1K4 - Port Colborne, Niagara, Ontario
- L3K 1K5 - Port Colborne, Niagara, Ontario
- L3K 1K6 - Port Colborne, Niagara, Ontario
- L3K 1K7 - Port Colborne, Niagara, Ontario
- L3K 1K8 - Port Colborne, Niagara, Ontario
- L3K 1K9 - Port Colborne, Niagara, Ontario
- L3K 1L1 - Port Colborne, Niagara, Ontario
- L3K 1L2 - Port Colborne, Niagara, Ontario
- L3K 1L3 - Port Colborne, Niagara, Ontario
- L3K 1L4 - Port Colborne, Niagara, Ontario
- L3K 1L5 - Port Colborne, Niagara, Ontario
- L3K 1L6 - Port Colborne, Niagara, Ontario
- L3K 1L7 - Port Colborne, Niagara, Ontario
- L3K 1L8 - Port Colborne, Niagara, Ontario
- L3K 1L9 - Port Colborne, Niagara, Ontario