Területlista
- L4P 2R8 - Keswick, York, Ontario
- L4P 2R9 - Keswick, York, Ontario
- L4P 2S1 - Keswick, York, Ontario
- L4P 2S2 - Keswick, York, Ontario
- L4P 2S3 - Keswick, York, Ontario
- L4P 2S4 - Keswick, York, Ontario
- L4P 2S5 - Keswick, York, Ontario
- L4P 2S6 - Keswick, York, Ontario
- L4P 2S7 - Keswick, York, Ontario
- L4P 2S8 - Keswick, York, Ontario
- L4P 2S9 - Keswick, York, Ontario
- L4P 2T1 - Keswick, York, Ontario
- L4P 2T2 - Keswick, York, Ontario
- L4P 2T3 - Keswick, York, Ontario
- L4P 2T4 - Keswick, York, Ontario
- L4P 2T6 - Keswick, York, Ontario
- L4P 2T7 - Keswick, York, Ontario
- L4P 2T8 - Keswick, York, Ontario
- L4P 2T9 - Keswick, York, Ontario
- L4P 2V1 - Keswick, York, Ontario