Lista regionu
- L1A 1V4 - Port Hope, Northumberland, Ontario
- L1A 1V5 - Port Hope, Northumberland, Ontario
- L1A 1V6 - Port Hope, Northumberland, Ontario
- L1A 1V7 - Port Hope, Northumberland, Ontario
- L1A 1V8 - Port Hope, Northumberland, Ontario
- L1A 1V9 - Port Hope, Northumberland, Ontario
- L1A 1W1 - Port Hope, Northumberland, Ontario
- L1A 1W2 - Port Hope, Northumberland, Ontario
- L1A 1W3 - Port Hope, Northumberland, Ontario
- L1A 1W4 - Port Hope, Northumberland, Ontario
- L1A 1W5 - Port Hope, Northumberland, Ontario
- L1A 1W6 - Port Hope, Northumberland, Ontario
- L1A 1W7 - Port Hope, Northumberland, Ontario
- L1A 1W8 - Port Hope, Northumberland, Ontario
- L1A 1W9 - Port Hope, Northumberland, Ontario
- L1A 1X1 - Port Hope, Northumberland, Ontario
- L1A 1X2 - Port Hope, Northumberland, Ontario
- L1A 1X3 - Port Hope, Northumberland, Ontario
- L1A 1X4 - Port Hope, Northumberland, Ontario
- L1A 1X5 - Port Hope, Northumberland, Ontario