Regionenliste
- N1A 0A1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 0A3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 0A2 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 0A4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 0A5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 0A6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A2 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A7 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A8 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1A9 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1B1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1B2 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1B3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1B4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1B7 - Dunnville, Haldimand-Norfolk, Ontario