รายชื่อภูมิภาค
- N3W 2H9 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J1 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J2 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J3 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J4 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J5 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J6 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J7 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J8 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2J9 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K1 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K2 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K3 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K4 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K5 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K6 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K7 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K8 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2K9 - Caledonia, Haldimand-Norfolk, Ontario
- N3W 2L1 - Caledonia, Haldimand-Norfolk, Ontario