Lista regionu
- N4Z 0A1 - Stratford, Perth, Ontario
- N4Z 0A2 - Stratford, Perth, Ontario
- N4Z 0A3 - Stratford, Perth, Ontario
- N4Z 1A1 - Stratford, Perth, Ontario
- N4Z 1A2 - Stratford, Perth, Ontario
- N4Z 1A3 - Stratford, Perth, Ontario
- N4Z 1A5 - Stratford, Perth, Ontario
- N4Z 1A6 - Stratford, Perth, Ontario
- N4Z 1A7 - Stratford, Perth, Ontario
- N4Z 1A8 - Stratford, Perth, Ontario
- N4Z 1A9 - Stratford, Perth, Ontario
- N4Z 1B1 - Stratford, Perth, Ontario
- N4Z 1B2 - Stratford, Perth, Ontario
- N4Z 1B3 - Stratford, Perth, Ontario
- N4Z 1B4 - Stratford, Perth, Ontario
- N4Z 1B5 - Stratford, Perth, Ontario
- N4Z 1B6 - Stratford, Perth, Ontario
- N4Z 1B7 - Stratford, Perth, Ontario
- N4Z 1B8 - Stratford, Perth, Ontario
- N4Z 1B9 - Stratford, Perth, Ontario