Regionenliste
- N4W 0A1 - Listowel, Perth, Ontario
- N4W 0A2 - Listowel, Perth, Ontario
- N4W 0A3 - Listowel, Perth, Ontario
- N4W 0A4 - Listowel, Perth, Ontario
- N4W 0A5 - Listowel, Perth, Ontario
- N4W 0A6 - Listowel, Perth, Ontario
- N4W 0A7 - Listowel, Perth, Ontario
- N4W 0A8 - Listowel, Perth, Ontario
- N4W 0A9 - Listowel, Perth, Ontario
- N4W 0B1 - Listowel, Perth, Ontario
- N4W 0B2 - Listowel, Perth, Ontario
- N4W 0B3 - Listowel, Perth, Ontario
- N4W 0B4 - Listowel, Perth, Ontario
- N4W 0B5 - Listowel, Perth, Ontario
- N4W 0B6 - Listowel, Perth, Ontario
- N4W 0B7 - Listowel, Perth, Ontario
- N4W 0B8 - Listowel, Perth, Ontario
- N4W 0B9 - Listowel, Perth, Ontario
- N4W 0C1 - Listowel, Perth, Ontario
- N4W 0C2 - Listowel, Perth, Ontario