Regionenliste
- N4W 0C3 - Listowel, Perth, Ontario
- N4W 0C4 - Listowel, Perth, Ontario
- N4W 0C5 - Listowel, Perth, Ontario
- N4W 0C6 - Listowel, Perth, Ontario
- N4W 0C7 - Listowel, Perth, Ontario
- N4W 0C8 - Listowel, Perth, Ontario
- N4W 0C9 - Listowel, Perth, Ontario
- N4W 1A1 - Listowel, Perth, Ontario
- N4W 1A2 - Listowel, Perth, Ontario
- N4W 1A3 - Listowel, Perth, Ontario
- N4W 1A4 - Listowel, Perth, Ontario
- N4W 1A5 - Listowel, Perth, Ontario
- N4W 1A6 - Listowel, Perth, Ontario
- N4W 1A7 - Listowel, Perth, Ontario
- N4W 1A8 - Listowel, Perth, Ontario
- N4W 1A9 - Listowel, Perth, Ontario
- N4W 1B1 - Listowel, Perth, Ontario
- N4W 1B2 - Listowel, Perth, Ontario
- N4W 1B3 - Listowel, Perth, Ontario
- N4W 1B4 - Listowel, Perth, Ontario