क्षेत्र सूची
- N1A 2A5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2A6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2A7 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2A8 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2A9 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B2 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B7 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B8 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2B9 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2C1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2C3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2C4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2C5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2C6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 2C7 - Dunnville, Haldimand-Norfolk, Ontario