Regiolijst
- L3K 1S6 - Port Colborne, Niagara, Ontario
- L3K 1S7 - Port Colborne, Niagara, Ontario
- L3K 1S8 - Port Colborne, Niagara, Ontario
- L3K 1S9 - Port Colborne, Niagara, Ontario
- L3K 1T1 - Port Colborne, Niagara, Ontario
- L3K 1T2 - Port Colborne, Niagara, Ontario
- L3K 1T3 - Port Colborne, Niagara, Ontario
- L3K 1T4 - Port Colborne, Niagara, Ontario
- L3K 1T5 - Port Colborne, Niagara, Ontario
- L3K 1T6 - Port Colborne, Niagara, Ontario
- L3K 1T7 - Port Colborne, Niagara, Ontario
- L3K 1T8 - Port Colborne, Niagara, Ontario
- L3K 1V1 - Port Colborne, Niagara, Ontario
- L3K 1V2 - Port Colborne, Niagara, Ontario
- L3K 1V4 - Port Colborne, Niagara, Ontario
- L3K 1V5 - Port Colborne, Niagara, Ontario
- L3K 1V7 - Port Colborne, Niagara, Ontario
- L3K 1V8 - Port Colborne, Niagara, Ontario
- L3K 1W1 - Port Colborne, Niagara, Ontario
- L3K 1W2 - Port Colborne, Niagara, Ontario