Danh sách vùng
- L4P 2N3 - Keswick, York, Ontario
- L4P 2N4 - Keswick, York, Ontario
- L4P 2N5 - Keswick, York, Ontario
- L4P 2N7 - Keswick, York, Ontario
- L4P 2N8 - Keswick, York, Ontario
- L4P 2N9 - Keswick, York, Ontario
- L4P 2P1 - Keswick, York, Ontario
- L4P 2P2 - Keswick, York, Ontario
- L4P 2P3 - Keswick, York, Ontario
- L4P 2P4 - Keswick, York, Ontario
- L4P 2P7 - Keswick, York, Ontario
- L4P 2P8 - Keswick, York, Ontario
- L4P 2P9 - Keswick, York, Ontario
- L4P 2R1 - Keswick, York, Ontario
- L4P 2R2 - Keswick, York, Ontario
- L4P 2R3 - Keswick, York, Ontario
- L4P 2R4 - Keswick, York, Ontario
- L4P 2R5 - Keswick, York, Ontario
- L4P 2R6 - Keswick, York, Ontario
- L4P 2R7 - Keswick, York, Ontario