Список региона
- N1A 1G3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1G5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1G6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1G7 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1G8 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1G9 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H2 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H6 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H7 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H8 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1H9 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1J1 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1J2 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1J3 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1J4 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1J5 - Dunnville, Haldimand-Norfolk, Ontario
- N1A 1J6 - Dunnville, Haldimand-Norfolk, Ontario