Területlista
- L4P 3K2 - Keswick, York, Ontario
- L4P 3K3 - Keswick, York, Ontario
- L4P 3K4 - Keswick, York, Ontario
- L4P 3K5 - Keswick, York, Ontario
- L4P 3K6 - Keswick, York, Ontario
- L4P 3K7 - Keswick, York, Ontario
- L4P 3K8 - Keswick, York, Ontario
- L4P 3K9 - Keswick, York, Ontario
- L4P 3L1 - Keswick, York, Ontario
- L4P 3L2 - Keswick, York, Ontario
- L4P 3L3 - Keswick, York, Ontario
- L4P 3L4 - Keswick, York, Ontario
- L4P 3L5 - Keswick, York, Ontario
- L4P 3L6 - Keswick, York, Ontario
- L4P 3L7 - Keswick, York, Ontario
- L4P 3L8 - Keswick, York, Ontario
- L4P 3L9 - Keswick, York, Ontario
- L4P 3M1 - Keswick, York, Ontario
- L4P 3M2 - Keswick, York, Ontario
- L4P 3M3 - Keswick, York, Ontario