Список региона
- L4P 2V2 - Keswick, York, Ontario
- L4P 2V3 - Keswick, York, Ontario
- L4P 2V4 - Keswick, York, Ontario
- L4P 2V5 - Keswick, York, Ontario
- L4P 2V6 - Keswick, York, Ontario
- L4P 2V7 - Keswick, York, Ontario
- L4P 2V8 - Keswick, York, Ontario
- L4P 2V9 - Keswick, York, Ontario
- L4P 2W1 - Keswick, York, Ontario
- L4P 2W2 - Keswick, York, Ontario
- L4P 2W3 - Keswick, York, Ontario
- L4P 2W4 - Keswick, York, Ontario
- L4P 2W5 - Keswick, York, Ontario
- L4P 2W6 - Keswick, York, Ontario
- L4P 2W7 - Keswick, York, Ontario
- L4P 2W8 - Keswick, York, Ontario
- L4P 2W9 - Keswick, York, Ontario
- L4P 2X1 - Keswick, York, Ontario
- L4P 2X2 - Keswick, York, Ontario
- L4P 2X3 - Keswick, York, Ontario