Liste de la région
- L7K 1M9 - Alton, Peel, Ontario
- L7K 1N1 - Alton, Peel, Ontario
- L7K 1N2 - Alton, Peel, Ontario
- L7K 1N3 - Alton, Peel, Ontario
- L7K 1N4 - Alton, Peel, Ontario
- L7K 1N5 - Alton, Peel, Ontario
- L7K 1N7 - Alton, Peel, Ontario
- L7K 1N8 - Alton, Peel, Ontario
- L7K 1N9 - Alton, Peel, Ontario
- L7K 1P1 - Alton, Peel, Ontario
- L7K 1P2 - Alton, Peel, Ontario
- L7K 1P3 - Alton, Peel, Ontario
- L7K 1P4 - Alton, Peel, Ontario
- L7K 1P5 - Alton, Peel, Ontario
- L7K 1P6 - Alton, Peel, Ontario
- L7K 1P7 - Alton, Peel, Ontario
- L7K 1P8 - Alton, Peel, Ontario
- L7K 1R2 - Alton, Peel, Ontario
- L7K 1R1 - Alton, Peel, Ontario
- L7K 1R3 - Alton, Peel, Ontario