Regiolijst
- L3K 1C3 - Port Colborne, Niagara, Ontario
- L3K 1C4 - Port Colborne, Niagara, Ontario
- L3K 1C5 - Port Colborne, Niagara, Ontario
- L3K 1C6 - Port Colborne, Niagara, Ontario
- L3K 1C7 - Port Colborne, Niagara, Ontario
- L3K 1C9 - Port Colborne, Niagara, Ontario
- L3K 1E1 - Port Colborne, Niagara, Ontario
- L3K 1E2 - Port Colborne, Niagara, Ontario
- L3K 1E3 - Port Colborne, Niagara, Ontario
- L3K 1E4 - Port Colborne, Niagara, Ontario
- L3K 1E5 - Port Colborne, Niagara, Ontario
- L3K 1E6 - Port Colborne, Niagara, Ontario
- L3K 1E7 - Port Colborne, Niagara, Ontario
- L3K 1E8 - Port Colborne, Niagara, Ontario
- L3K 1E9 - Port Colborne, Niagara, Ontario
- L3K 1G1 - Port Colborne, Niagara, Ontario
- L3K 1G2 - Port Colborne, Niagara, Ontario
- L3K 1G3 - Port Colborne, Niagara, Ontario
- L3K 1G4 - Port Colborne, Niagara, Ontario
- L3K 1G5 - Port Colborne, Niagara, Ontario